Sir Charles Edward Archibald Watkin Hamilton,[1][2] 5th and 3rd Baronet (10 December 1876 – 18 March 1939), known from 1923 as Sir Abdullah Hamilton, was a British aristocrat and convert to Islam.
[3] He served as a Lieutenant in the Royal Defence Corps and was at one time President of the Selsey (Sussex) Conservative Association, and also later a member of Sir Oswald Mosley's British Union of Fascists for a brief period during the 1930s.
Sir Archibald married Olga Mary Adelaide FitzGeorge, daughter of Rear-Admiral Sir Adolphus FitzGeorge KCVO and Sophia Jane Holden, granddaughter of the Duke of Cambridge and first cousin to Queen Victoria on 18 December 1897 in London.
[10] The marriage resulted in two children, George Edward Archibald Augustus FitzGeorge Hamilton (30 December 1898 – 18 May 1918) whose baptism was attended by Queen Mary and King George V who along with the Duke of Cambridge were pledged to be his godparents.
[4] He died on 18 March 1939 at the age of 62, and is buried at the Brookwood Cemetery alongside Rowland Allanson-Winn, 5th Baron Headley, they having been "great friends in life" and "close comrades-in-arms in the cause of Islam".