Jessica Ennis-Hill: Grit was passed on by slave ancestor who fought for freedom - The Olympic champion discovered her four-time great-grandfather born into slavery folowing his birth, circa 1795.

Born in Sheffield in 1986, Ennis-Hill graduated from Sheffield University in 2007, a year after winning heptathlon bronze at the Melbourne Commonwealth Games. She went on to win three World ...

Dame Jessica Ennis-Hill was shocked to discover her heartbreaking family history on the BBC 's Who Do You Think You Are - describing her great great grandmother's story as 'awful in every way'.