<Tr> <Th> 5 </Th> <Td> Rupert Penry - Jones </Td> <Td> 16 August 2010 (2010 - 08 - 16) </Td> <Td> 5.68 </Td> </Tr> <Tr> <Td_colspan="4"> Penry - Jones travels to India and confirms the family rumour that they have Indian ancestry . His great - great - great grandfather Thomas Johnstone was a sergeant major in the Royal Madras Fusiliers, and was part of the British attempts to quell the Indian Rebellion of 1857 . He discovers Johnstone's wife, Louisa Collum, was of Anglo - Indian heritage . </Td> </Tr> <Tr> <Th> 6 </Th> <Td> Alexander Armstrong </Td> <Td> 23 August 2010 (2010 - 08 - 23) </Td> <Td> 6.46 </Td> </Tr> <Tr> <Td_colspan="4"> Armstrong traces his mother's side of the family, who are descended from Irish landed gentry . The McCauslands were originally seated in Drenagh, County Londonderry, Northern Ireland and trace their ancestry through the Rouse - Boughton family, to Edward Somerset, 2nd Marquess of Worcester, a descendant of William the Conqueror via Edward III and the Beauforts, Dukes of Somerset . </Td> </Tr>

Who do you think you are series 11