On 10 December 1885, Williams-Bulkeley was married to Lady Magdalen Yorke (1865–1940), a daughter of
Charles Yorke, 5th Earl of Hardwicke and Lady Sophia Wellesley (a daughter of
Henry Wellesley, 1st Earl Cowley). Together, they were the parents of: • Major Richard Gerard Wellesley Williams-Bulkeley (1887–1918), who married Victoria "Vita" Alexandrina Stella Legge, daughter of Hon. Sir
Henry Charles Legge, in 1909. He died in March 1918 from wounds received in action in
World War I. • Generis Alma Windham Williams-Bulkeley (1889–1946), who married
Sir Harry Mainwaring, 5th Baronet in 1913. • Æira Helen Williams-Bulkeley (1891–1964), who married John Chadwick, son of T. S. Chadwick, in 1921. who married Capt.
Vivian Francis Bulkeley-Johnson, son of Francis Head Bulkeley-Johnson, in 1924. They divorced in 1947 and he married the American heiress, and fellow divorcee,
Cornelia Stuyvesant Cecil (
Vanderbilt). As his only son predeceased him, he was succeeded in the baronetcy by his grandson, Lt.-Col.
Richard Harry David Williams-Bulkeley (1911–1992). ==References==