His first wife was Lady Mary Feilding, a daughter of
William Feilding, 3rd Earl of Denbigh, and his wife Mary King, whom he married in 1687. They had three daughters and a son: •
Lady Mary Pierrepont (died 1762), who married the diplomat
Edward Wortley-Montagu • Lady Frances Pierrepont (died 1761), who married
John Erskine, Earl of Mar • Lady Evelyn Pierrepont (died 1727), who married
John Leveson-Gower, 1st Earl Gower, and was mother of
Gertrude Russell, Duchess of Bedford • William Pierrepont, Earl of Kingston-upon-Hull, who died of
smallpox, aged 20, in July 1713. He married Rachel, (legal daughter of Thomas Baynton of Little Chalfield, Wiltshire, but biological daughter and heiress of John Hall of Bradford, Wiltshire), and had a daughter Frances (died 1795) and a son
Evelyn. His second wife was Lady Isabella Bentinck, daughter of
Hans William Bentinck, 1st Earl of Portland, whom he married in 1714. They had two daughters: • Lady Caroline Pierrepont (died 1753), who married
Thomas Brand (senior), MP • Lady Anne Pierrepont (1719–1739) He was succeeded by his grandson Evelyn, son of William. ==References==