Isabella Bentinck (1688-1728) (1688–1728) Parents Anne Villiers William Bentinck, 1st Earl of Portland Children Caroline Pierrepont Anne Pierrepont Siblings Lady Frances Bentinck Willem Bentinck Mary Capel, Countess of Essex Henry Bentinck, 1st Duke of Portland Lady Anna Margaretha Bentinck Lady Sophia Bentinck Lady Elizabeth Adriana Bentinck Lady Barbara Bentinck Lady Harriet Bentinck Willem Bentinck Charles John Bentinck Partners Evelyn Pierrepont, 1st Duke of Kingston-upon-Hull