<Tr> <Td_colspan="4"> Cheryl researches her maternal family . Research shows that her paternal line is from Tyneside and that there were a number of coal miners amongst Cheryl's forebears . When tracing further back, in one of the branches of her paternal line, researchers find that her ancestry includes several mariners . The investigation into Cheryl's maternal line shows that her grandmother, Olga Ridley, was one of twin girls born to Edith Annie Burton, the housekeeper for a widower named Joseph Ridley who already had a number of children from his marriage . Joseph Ridley had fought in World War I in the Durham Light Infantry as a pioneer in France and, from an examination of the census, before the war he had been a grocery warehouseman . </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Ricky Tomlinson </Td> <Td> 22 December 2016 (2016 - 12 - 22) </Td> <Td> 4.28 </Td> </Tr> <Tr> <Th> 6 </Th> <Td> Ian McKellen </Td> <Td> 25 January 2017 (2017 - 01 - 25) </Td> <Td> 4.21 </Td> </Tr> <Tr> <Td_colspan="4"> McKellen discovers that his great uncle, Frank Lowes, was an actor, and his great - great - grandfather, Robert Lowes, campaigned for a half - holiday for Manchester's workers on Saturdays, an event that led to the evolution of the modern weekend . </Td> </Tr>

Who do you think you are 2017 lineup