On 11 February 1873, Yorke married
Annie, daughter of
Sir Anthony de Rothschild, 1st Baronet, and the marriage was solemnised the next day at St. Andrew's Parish Church, Wimpole, Cambridgeshire. They had no children. On 21 December 1878, he died at 17 Curzon Street, Mayfair, London, aged 35. ==References==