NAME AUTHORITIES: LOC: Dorchester, Catherine Sedley, Countess of, 1657-1717 NRA: Sedley Sir Charles (? 1639-1701) Knight Wit and Dramatist DNB: Sedley, Catharine, suo jure countess of Dorchester, and countess of Portmore (1657–1717), royal mistress LBT ID: CaSedle1717 VIAF ID: 61492764 LOC ID: nr2003039951 | B/BAP: 1657-12-21 DIED: 1717-10-26 |
SOURCES: DNB; Virtual International Authority File; thepeerage.com; LOC Name Authority File | |
The daughter of Sir Charles Sedley, she was the mistress of James II; her daughter
married John Sheffield, first duke of Buckingham and Normanby. | |