William Bentinck, 1st Earl of Portland Dutch and English nobleman (1649-1709) (1649–1709) Parents Anne van Bloemendale Bernard Bentinck, Baron Bentinck Children Lady Anna Margaretha Bentinck Lady Barbara Bentinck Willem Bentinck Lady Sophia Bentinck Mary Capel, Countess of Essex Lady Frances Bentinck Charles John Bentinck Isabella Bentinck Lady Harriet Bentinck Willem Bentinck Lady Elizabeth Adriana Bentinck Henry Bentinck, 1st Duke of Portland Siblings Henry Bentinck, Baron Bentinck Eusebius Bourchard Bentinck, Baron Bentinck Eleonore Sophia Bentinck van Diephenheim Isabelle Bentinck van Diephenheim Agnes Bentinck van Diephenheim Anna Adriana Bentinck van Diephenheim Partners Anne Villiers Jane Martha Temple
