<Tr> <Td_colspan="4"> Rowling researches her mother's paternal great - grandfather, Louis Volant, a French head waiter who previously worked at Savoy Hotel in the 1920s . Volant had won the Croix de Guerre for his bravery during the First World War . She also learns about Volant's mother, Salomée Schuch, an unmarried maid working in Paris at the time of his birth . At age 17, she had fled her hometown of Brumath in Alsace--which became part of the German Empire during the Franco - Prussian War--to become a naturalised French citizen when she eventually married Louis' father . </Td> </Tr> <Tr> <Th> </Th> <Td> Sebastian Coe </Td> <Td> 24 August 2011 (2011 - 08 - 24) </Td> <Td> 5.45 </Td> </Tr> <Tr> <Th> </Th> <Td> Larry Lamb </Td> <Td> 31 August 2011 (2011 - 08 - 31) </Td> <Td> 5.45 </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Emilia Fox </Td> <Td> 7 September 2011 (2011 - 09 - 07) </Td> <Td> 6.06 </Td> </Tr>

Who do you think you are 10 august 2017