| | Francis Godolphin Osborne 5th Duke of Leeds 1751–1799 Lady Amelia Darcy 1754–1784 | | |
| | Thomas Osborne 4th Duke of Leeds 1713–1789 Lady Mary Godolphin –1764 | | |
| | Lady Elizabeth Harley 1686–1713 Peregrine Hyde Osborne 3rd Duke of Leeds 1691–1731 | | |
George Henry Hay 7th Earl of Kinnoull – | | |
Elizabeth Cavendish-Bentinck 1735–1825 Thomas Thynne 1st Marquess of Bath 1734–1796 | | |
Henrietta Cavendish-Bentinck 1737–1827 George Harry Grey 5th Earl of Stamford 1737–1819 | | |
| | William Henry Cavendish-Bentinck 3rd Duke of Portland 1738–1809 Lady Dorothy Cavendish 1750–1794 | | |
Edward Charles Cavendish-Bentinck 1744–1819 | | |
| | Margaret ('Peggy') Cavendish Harley 1715–1785 William Bentinck 2nd Duke of Portland 1709–1762 | | |
| | Edward Harley 2nd Earl of Oxford 1689–1741 Lady Henrietta Cavendish Holles 1694–1755 | | |
| | Robert Harley 1st Earl of Oxford 1661–1724 | | |
Edward Harley 4th Earl of Oxford 1726–1790 | | |
Edward Harley 5th Earl of Oxford 1773–1849 | | |
| | John (Rt. Rev.) Harley 1728–1788 | | |
Robert Hay-Drummond 10th Earl of Kinnoull 1751–1804 | | |
Margaret Harley 1766–1830 | | |
| | | | |
| | Edward Harley 3rd Earl of Oxford 1699–1755 | | |
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Nathaniel Harley 1665–1720 | | |
| | Sir Edward Harley 1624–1700 | | | | Nathaniel Stephens 1565–1660 |
| | | Sir Robert Harley 1579–1656 Brilliana Conway 1600–1643 | | | | | | | Sir Edward (later Viscount) Conway – |
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