<Tr> <Th> show Ancestors of Henry the Navigator </Th> </Tr> <Tr> <Td> <Table> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> 16 . Denis, King of Portugal </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 8 . Afonso IV of Portugal </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 17 . Elizabeth of Aragon </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 4 . Peter I of Portugal </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 18 . Sancho IV of Castile </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 9 . Beatrice of Castile </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 19 . María de Molina </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 2 . John I of Portugal </Td> <Td_colspan="11"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 20 . Martim Lourenço </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 10 . Lourenço Martins </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 5 . Teresa Lourenço </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 11 . Sancha Martins </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 1 . Henry the Navigator </Td> <Td_colspan="15"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 24 . Edward II of England </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 12 . Edward III of England </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 25 . Isabella of France </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 6 . John of Gaunt, 1st Duke of Lancaster </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 26 . William I, Count of Hainaut </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 13 . Philippa of Hainault </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 27 . Joan of Valois </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 3 . Philippa of Lancaster </Td> <Td_colspan="11"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 28 . Henry, 3rd Earl of Lancaster </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 14 . Henry of Grosmont, 1st Duke of Lancaster </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 29 . Maud Chaworth </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 7 . Blanche of Lancaster </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 30 . Henry de Beaumont, 4th Earl of Buchan </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 15 . Isabel of Beaumont </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 31 . Alice Comyn </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> 16 . Denis, King of Portugal </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 8 . Afonso IV of Portugal </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 17 . Elizabeth of Aragon </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 4 . Peter I of Portugal </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 18 . Sancho IV of Castile </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 9 . Beatrice of Castile </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 19 . María de Molina </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 2 . John I of Portugal </Td> <Td_colspan="11"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 20 . Martim Lourenço </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 10 . Lourenço Martins </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 5 . Teresa Lourenço </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 11 . Sancha Martins </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 1 . Henry the Navigator </Td> <Td_colspan="15"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 24 . Edward II of England </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 12 . Edward III of England </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 25 . Isabella of France </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 6 . John of Gaunt, 1st Duke of Lancaster </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 26 . William I, Count of Hainaut </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 13 . Philippa of Hainault </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 27 . Joan of Valois </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 3 . Philippa of Lancaster </Td> <Td_colspan="11"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 28 . Henry, 3rd Earl of Lancaster </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 14 . Henry of Grosmont, 1st Duke of Lancaster </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 29 . Maud Chaworth </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 7 . Blanche of Lancaster </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 30 . Henry de Beaumont, 4th Earl of Buchan </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 15 . Isabel of Beaumont </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> 31 . Alice Comyn </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="2"> </Td> <Td> </Td> <Td_colspan="4"> 16 . Denis, King of Portugal </Td> </Tr>

Who was the leader that created a school for navigation