Catherine Sedley, Countess of Dorchester
Catherine Sedley , Countess of Dorchester , Countess of Portmore ( 21 December 1657 – 26 October 1717 ) , daughter of Sir Charles Sedley , 5th Baronet , was the mistress of King James II and VII both before and after he came to the throne . 
<triplet> Catherine Sedley, Countess of Dorchester <subj> 21 December 1657 <obj> date of birth <subj> 26 October 1717 <obj> date of death <triplet> Sir Charles Sedley, 5th Baronet <subj> Catherine Sedley, Countess of Dorchester <obj> child