High Quality Content by WIKIPEDIA articles! Frances Hyde, Countess of Clarendon (bapt. 25 August 1617 8 August 1667) was an English peeress and mother-in-law of King James II/VII and grandmother of Queen Mary II and Queen Anne.Frances was a daughter and eventual sole-heiress of Sir Thomas Aylesbury, Bt. On 10 July 1634, she became the second wife of Edward Hyde, who was later created Baron Hyde in 1660 and Earl of Clarendon in 1661. They had six children: Hon. Henry, later 2nd Earl of Clarendon (1638-1709), Hon. Laurence, later 1st Earl of Rochester (1641-1711), Hon. Edward (died young)