4o6 DORCHESTER on him is generally considered to have become extinct. {^) See fuller particulars under " Kingston-on-Hull," Earldom, cr. 1628, extinct 1773, sub the 2nd Earl. EARLDOM. Catherine Sedley, Spinster, only child of Sir Charles J ^„^ S., 5th Bart., of Aylesford, Kent, by Catherine, da. of John (Savage), Earl Rivers, was b. 21, and bap. 29 Dec. 1657, at St. Giles's-in-the-Fields. She was for ' many years mistress to James, Duke of York,() by whom, on his accession as James II, she was cr., 20 Jan. 1685/6, BARONESS OF DARLINGTON, co. Durham, and COUNTESS OF DORCHESTER, co. Dorset, for Iife,(') with a pension.(<^) She w., in or shortly after Aug. 1696, Sir David Colyear, 2nd Bart. [S.], afterwards (1699) Lord PoRTMORE [S.], and finally (1703) Earl of Portmore [S.], who d. 2 Jan. 1729/30, leaving issue by her. See that title. She d. 26 Oct. 17 1 7, at Bath, aged 59, and was bur. there, but removed, 8 Sep. 1729, to Weybridge. On her death her life Peerage became extinct.{^) Will pr. Sep. 1 720. (■) In his funeral certificate (Coll. of Arms) it is expressly said that he was cr. by letters patent 25 Mar. [1645] "Marquess of Dorchester and to the heirs male of his body," and it is added, "dying thus without issue male the dignity of Marquess of Dorchester is extinct." Of his two daughters (i) Anne, bap. 9 Mar. 1630/1, m. 13 July 1658, John Manners, stykd Lord Ros (afterwards 9th Earl and ist Duke of Rutland), and was divorced from him (by Act of Pari.) and her progeny bastardised. She was dead before Jan. 1697, though two of her children, named John Manners and Charles Manners, were living 11 May 1699. (2) Grace, aged 4 years in 1639, d. unm., 25 Mar., and was bur. i Apr. 1703, at St. Anne's, Soho. M.I. Her will, dat. II May 1699, was pr. 26 Mar. 1703. This lady (Lady Grace Pierrepont) would seem, if the rem. of the dignity was to the heirs of the body of the grantee, to have been de Jure, sua jure Marchioness of Dorset. (*") Of many children which she had by him, "The Lady Catherine Darnley," b. 1 68 1, who became in 1699 Countess of Anglesey, and in 1706 Duchess of Buckingham and Norman by, was the only survivor. For a list of Royal Bastards see vol. vi, Appendix F. ("=) See ante, p. 224, note " a," sub Derwentwater, for a list of the ten English Peerages cr., 1685-88, by James II. C) This grant, made by James II in Feb. 1685/6, was of ^^3,000 p. a. for 5^ years out of the English Exchequer, and of £^,000 p.a. for 99 years out of quit rents in Ireland, which last was continued to her in 1703. {Calendar of Treasury Books, vol. viii, p. 548). V.G. (') " Mrs. Sidley, too, it is said, has had a message from the king that, reflecting upon the frailty of mankind by the example of his brother [death of Charles II], he had resolved to lead another course of life, and therefore, if she would either go out of England or retire privately into the country, she should be competently provided for, but that he would see her no more." (Letter of Sir Charles Wyche to the Duke of Ormonde, 1 7 Feb. 1 684/5 •) Little is known of her but her want of beauty and her hereditary gift of wit, which "shocked by its indelicacy;" e.g., as when, meeting the Duchess of Portsmouth and the Countess of Orkney at a Drawing Room of George I,