CHICHESTER, ARTHUR, 1ST MARQUIS OF DONEGAL (I), eldest son of Hon. John Chichester MP (I), Abinger, Surrey, and Elizabeth, sister of Sir Edward Newdigate, Bart. (qv); b. 13 Jun 1739; adm. Jun 1748 (Grant's); in school list 1754; succ. uncle as 5th Earl of Donegal (I) 30 Sep 1757; Trinity Coll. Oxford, matr. 25 Nov 1757; MA 1759; DCL 7 Jul 1763; Privy Councillor (I) 15 Sep 1768; of Fisherwick Park, Staffs.; MP Malmesbury 1768-74; created Baron Fisherwick (GB) 3 Jul 1790 and Marquis of Donegal (I) 27 Jun 1791; m. 1st, 16 Nov 1761 Lady Anne Hamilton, dau. of James Hamilton, 5th Duke of Hamilton (S) KT; m. 2nd, 25 Oct 1788 Charlotte, widow of Thomas Moore, Barne, co. Tipperary, and dau. of Conway Spencer, Tremary, co. Down; m. 3rd, 12 Oct 1790 Barbara, dau. of Rev. Luke Godfrey LLD, Rector of Midleton, co. Cork; d. 5 Jan 1799.