William Henry Cavendish-Bentinck 4. Duke of Portland 1768–1854 | | |
| | William Charles Augustus Cavendish-Bentinck Lord Bentinck 1780–1826 Anne Wellesley Lady Abdy 1788–1875 | | |
| | William Henry Cavendish-Bentinck 3. Duke of Portland 1738–1809 Dorothy Cavendish (Lady) 1750–1794 | | |
| | William Bentinck 2. Duke of Portland 1709–1762 Margaret Harley (Lady) 1715–1785 | | |
| | Henry Bentinck 2. Earl of Portland & 1. Duke of Portland 1682–1726 Elizabeth „Lady“ Noel 1688–1737 | | |
| | Anne Frances Villiers 1655–1688 John William Bentinck 1. Earl of Portland 1648–1709 | | | | Edward Villiers Sir & Knight Marshal of the Household & Viscount Grandison 1620–1689 Frances Howard Lady of Suffolk 1630–1677 | | | | Theophilus Howard 2. Earl of Suffolk 1584–1640 Elizabeth Home Lady of Dunbar 1599–1633 | | | | George Ho(w)me of Manderstone (1. Earl od Dunbar) 1556–1611 Elisabeth Gorden Lady of Gight 1570–1645 | | | | Alexander Ho(w)me of Manderstone 1525–1565 | | |
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| | | Berent (Berhard) Bentinck Heer van Diepenheim 1597–1668 Anna van Bloemendael 1622–1685 | | | | Hendrik Bentinck 1563–1639 Elsa (Elsabe) van Ittersum 1565–1615 | | | | Eusebius Bentinck 1530–1584 Sophia van Ittersum 1540– | | | | Willem Bentinck Heer van ter Velde 1500–1576 Gertruid Margaretha de Groeff van Erkelens 1505–1576 | | |
| | | Johan van Ittersum Heer van Werkeren 1515–1574 | | |
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| | | Wolff van Ittersum tot Nijnhuis 1520–1564 Anna van Westerholt 1530– | | | | Berent van Ittersum Heer van Nijnhuis 1475–1540 Agnes van Huchtenbroeck 1485–1530 | | |
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