Four or more generations of descendants of Henry FitzRoy, 1st Duke of Grafton (1663-1690) if they are properly linked:
1. Henry FitzRoy, 1st Duke of Grafton (1663-1690)
- 2. Charles FitzRoy, 2nd Duke of Grafton (1683-1757)
- 3. Charles Henry FitzRoy (1714-1715)
- 3. George FitzRoy (1715-1747)
- 3. Augustus FitzRoy (1716-1741)
- 4. Charles FitzRoy (c1734-c1736)
- 4. Augustus Henry FitzRoy, 3rd Duke of Grafton (1735-1811)
- 5. Georgiana FitzRoy (1757-1799) ... (more)
- 5. George Henry FitzRoy, 4th Duke of Grafton (1760-1844) ... (more)
- 5. Charles FitzRoy (1764-1829) ... (more)
- 5. Henry FitzRoy (1770-1828) ... (more)
- 5. Augusta FitzRoy (1779-1839) ... (more)
- 5. Frances FitzRoy (1780-1866) ... (more)
- 5. William FitzRoy (1782-1857) ... (more)
- 5. Elizabeth FitzRoy (-1839) ... (more)
- 5. Isabella FitzRoy (-1866) ... (more)
- 4. Charles FitzRoy, 1st Baron Southampton (1737-1797)
- 5. George Ferdinand FitzRoy, 2nd Baron Southampton (1761-1810) ... (more)
- 5. Charles FitzRoy (1762-1831) ... (more)
- 5. William FitzRoy (1764-1786) ... (more)
- 5. Henry FitzRoy (1765-1794) ... (more)
- 5. Charlotte FitzRoy (1767-1828) ... (more)
- 5. Warren FitzRoy (1768-1806) ... (more)
- 5. Frederick FitzRoy (1769-) ... (more)
- 5. Emily FitzRoy (1770-1800) ... (more)
- 5. William FitzRoy (1773-1837) ... (more)
- 5. Louisa FitzRoy (c1777-) ... (more)
- 5. Georgiana FitzRoy (c1779-1835) ... (more)
- 3. Charles FitzRoy (1718-1739)
- 3. Caroline FitzRoy (1722-1784)
- 4. Caroline Stanhope (1747-1767)
- 4. Isabella Stanhope (1748-1819)
- 4. Amelia Stanhope (1749-1780)
- 4. Henrietta Stanhope (1750-1781)
- 4. Charles Stanhope, 3rd Earl of Harrington (1753-1829)
- 5. Charles Stanhope, 4th Earl of Harrington (1780-1851) ... (more)
- 5. Lincoln Edwin Robert Stanhope (1781-1840) ... (more)
- 5. Anna Maria Stanhope (1783-1857) ... (more)
- 5. Leicester Fitzgerald Charles Stanhope, 5th Earl of Harrington (1784-1862) ... (more)
- 5. FitzRoy Henry Richard Stanhope (1787-1864) ... (more)
- 5. Francis Charles Stanhope (1788-1862) ... (more)
- 5. Henry William Stanhope (1790-1872) ... (more)
- 5. Caroline Anne Stanhope (1791-1853) ... (more)
- 5. Charlotte Augusta Stanhope (1793-1859) ... (more)
- 5. Augustus Henry Edward Stanhope (1794-1831) ... (more)
- 4. Henry FitzRoy Stanhope (1754-1828)
- 4. Anna Maria Stanhope (1760-1834)
- 3. Harriet FitzRoy (1723-1735)
- 3. Isabella FitzRoy (1726-1782)
- 4. Francis Seymour-Conway, 2nd Marquess of Hertford (1743-1822)
- 5. Henry Augustus Seymour (1771-1847) ... (more)
- 5. Francis Charles Seymour-Conway, 3rd Marquess of Hertford (1777-1842) ... (more)
- 4. Anne Seymour-Conway (1744-1787)
- 4. Henry Seymour (1746-1830)
- 4. Sarah Frances Seymour (1747-1770)
- 4. Robert Seymour (1748-1831)
- 5. Elizabeth Seymour (1775-1848) ... (more)
- 5. Henry Seymour (c1776-1843) ... (more)
- 5. Frances Isabella Seymour (c1777-1838) ... (more)
- 5. Anna Maria Seymour (1781-) ... (more)
- 5. Gertrude Hussey Carpenter Seymour (1784-1825) ... (more)
- 4. Gertrude Seymour-Conway (1750-1793)
- 4. Frances Seymour-Conway (1751-1820)
- 5. Catherine Pelham-Clinton (1776-1804) ... (more)
- 5. Henry Pelham-Clinton (1777-1779) ... (more)
- 4. Elisabeth Seymour-Conway (1754-1825)
- 4. Isabella Rachael Seymour-Conway (1755-1825)
- 4. Edward Seymour (1757-1785)
- 4. Hugh Seymour (1759-1801)
- 5. George Francis Seymour (1787-1870) ... (more)
- 5. Hugh Henry John Seymour (1790-1821) ... (more)
- 5. Horace Beauchamp Seymour (1791-1851) ... (more)
- 5. William John Richard Seymour (1793-1801) ... (more)
- 5. Horatia Maria Frances Seymour (1795-1853) ... (more)
- 5. Frederick Charles William Seymour (1797-1856) ... (more)
- 5. Mary Georgiana Emma Seymour (1798-1848) ... (more)
- 4. William Seymour (1759-1837)
- 5. Edward Seymour (1801-1853) ... (more)
- 5. Henry Seymour (1802-1867) ... (more)
- 4. George Seymour (1763-1848)
- 5. George Hamilton Seymour (1797-1880) ... (more)
- 5. Isabella Horatia Seymour (1801-1856) ... (more)
- 5. Emily Henrietta Seymour (-1887) ... (more)
- 4. Francis Seymour-Conway, 2nd Marquess of Hertford (1743-1822)