(1)10 July 1679 to Margaret Coventry (14 September 1657 – 7 February 1681/1682), daughter to George Coventry, 3rd Baron Coventry and Margaret Tufton. No children resulted from this marriage.
(2) 8 February 1682/1683 to Frances Ramsden (baptised 14 June 1661 – 22 November 1696), daughter of William Ramsden and Elizabeth Palmes. They had four children:
Lady Frances Powlett (d. 1715), married John Mordaunt, Viscount Mordaunt (d. 1710) in 1708.
Charles Powlett, 3rd Duke of Bolton (3 September 1685 – 26 August 1754).
Harry Powlett, 4th Duke of Bolton (24 July 1691 – 9 October 1759). He married Catherine Parry (d. 25 April 1744). The marriage resulted in the birth of Charles Paulet, 5th Duke of Bolton, Harry Paulet, 6th Duke of Bolton and daughters Catherine Paulett and Henrietta Paulett.
Lady Mary Powlett.
(3) around 1697 to Henrietta Crofts (d. 27 February 1729/1730), a natural daughter of James Scott, 1st Duke of Monmouth and Eleanor Needham. They had a son:
Lord Nassau Powlett (d. 1741). He married Isabella Tufton, daughter of Thomas Tufton, 6th Earl of Thanet and Lady Catherine Cavendish.