Earl of Essex on 28 February 1692 and had one son and two daughters. She married, secondly, Sir Conyers D'Arcy (died 1 December 1758), circa August 1714 and had no issue. Willem Bentinck (3 March 168126 May 1688) Henry Bentinck, 1st Duke of Portland (17 March 16824 July 1726) Lady Anna Margaretha Bentinck (19 March 16833 May 1763), who married Arent van Wassenaar, Baron van Wassenaar circa 1701 and had at least one daughter. Lady Frances Wilhelmina Bentinck (18 February 168431 March 1712), who married the 4th Baron Byron (4 January 16708 August 1736) on 19 December 1706 and had four children. Lady Eleonora Sophia Bentinck (born 8 April 1687) Lady Isabella Bentinck (4 May 168823 February 1728), who married the 1st Duke of Kingston-upon-Hull on 2 August 1714. He married on 12 May 1700, his second wife, Jane Martha Temple (167226 May 1751), daughter of Sir John Temple, and widow of John Berkeley, 3rd Baron Berkeley of Stratton. They had the following children: Lady Sophia Bentinck (4 April 17015 June 1741), who married the 1st Duke of Kent on 24 March 1729 and had issue. Lady Elizabeth Adriana Bentinck (27 June 17031765), who married Rev. The Hon. Henry Egerton (died 1 April 1746) on 18 December 1720 and had issue. The Hon. William Bentinck, 1st Count Bentinck (6 November 170413 October 1774), who married Charlotte Sophie, Countess von Aldenburg (4 August 17155 February 1800) on 1 June 1733 and had two sons. In 1990, after the extinction of the male line from his half-brother the 1st Duke of Portland, his descendant Henry Bentinck, 7th Count Bentinck became the 11th Earl of Portland. One of his sons, Captain John Albert Bentinck, Royal Navy, of Terrington St Clement in Norfolk, a Count of the Empire, founded the line of Bentinck of Indio in the parish of Bovey Tracey in Devon. Lady Harriet Bentinck (12 November 170510 June 1792), who married James Hamilton, 1st Earl of Clanbrassill (bef. 169717 March 1758) on 15 October 1728 and had two children. The Hon. Charles John Bentinck (2 June 170818 March 1779), who married Lady Margaret Cadogan on 11 January 1738. Lady Barbara Bentinck (20 October 17091 April 1736), who married the 2nd Baron Godolphin (170725 May 1785) on 18 February 1734; no issue. In 1718, as the Dowager Countess of Portland, Jane was appointed Governess to the daughters of George Augustus, Prince of Wales