Fitzwilliam was commissioned as a Second Lieutenant into the Royal Army Service Corps in 1909. In 1912, he married Jessica Gertrude Rowlands. On the outbreak of war in 1914, he gained a temporary commission in the Leicestershire Yeomanry as a lieutenant. His marriage was dissolved in 1917, with no children having been born.[1]
On Fitzwilliam's death in 1952 this line of the family came to an end, and the peerages were inherited by a second cousin, Thomas Wentworth-Fitzwilliam, 10th Earl Fitzwilliam.[1] The 9th Earl Fitzwilliam was buried at Holy Trinity Church, Wentworth.[2]
References
^ abcdDod's Peerage, Baronetage and Knightage of Great Britain and Ireland (1952), p. 90