<Tr> <Th> 8 </Th> <Td> Anita Rani </Td> <Td> 1 October 2015 (2015 - 10 - 01) </Td> <Td> 4.38 </Td> </Tr> <Tr> <Th> 9 </Th> <Td> Mark Gatiss </Td> <Td> 8 October 2015 (2015 - 10 - 08) </Td> <Td> Unknown (under 3.80) </Td> </Tr> <Tr> <Th> 10 </Th> <Td> Frances de la Tour </Td> <Td> 22 October 2015 (2015 - 10 - 22) </Td> <Td> 3.83 </Td> </Tr> <Tr> <Td_colspan="4"> Actress Frances de la Tour discovers aristocratic lineage . Her great - great - great - great grandmother Maria Elizabeth Adderley, stepdaughter of Robert Hobart, 4th Earl of Buckinghamshire, married captain Alan Gardner in 1796 . They divorced in 1805 after he discovered her affair with Henry Jadis, nephew of the Earl of Strathmore . Lady Gardner had an illegitimate child with Jadis, Henry Fenton Gardner (born in 1802), who was declared illegitimate by the House of Lords in 1825 following the Gardner Peerage Case, in which Henry unsuccessfully attempted to prove he was the rightful heir to the Gardner peerage . De la Tour visits Doddington Hall and Seaton Delaval Hall to find out more about Jadis' mother, the Hon . Sophia Ann (née Delaval), daughter of John Delaval, 1st Baron Delaval . De la Tour discovers Sophia's sad story of becoming pregnant before marriage with Henry, and rushing to marry a man beneath her status, John Jadis . After suffering abuse from a drunken Jadis, Sophia divorced him but became ostracised socially . She developed an addiction to laudanum and died at 38 . </Td> </Tr>

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