Lady Elizabeth Adriana Bentinck (died 1765) (1703–1765) Parents Jane Martha Temple William Bentinck, 1st Earl of Portland Children William Egerton John Egerton Siblings Lady Sophia Bentinck Lady Barbara Bentinck Lady Harriet Bentinck Willem Bentinck Charles John Bentinck Lady Anna Margaretha Bentinck Lady Frances Bentinck Isabella Bentinck Willem Bentinck Henry Bentinck, 1st Duke of Portland Mary Capel, Countess of Essex Partners Henry Egerton