Four or more generations of descendants of William Robert FitzGerald, 2nd Duke of Leinster (1749-1804) if they are properly linked:
1. William Robert FitzGerald, 2nd Duke of Leinster (1749-1804)
- 2. Mary Rebecca FitzGerald (1777-1842)
- 2. Emily Elizabeth FitzGerald (1778-1856)
- 3. Charles John Henry (1806-1879)
- 3. Olivia Henry (bef1835-1859)
- 3. Emily Elizabeth Henry (-1859)
- 3. Hastings Reginald Yelverton (1808-1878)
- 3. George Augustus Henry (1809-1853)
- 3. Clifford Henry (1817-1874)
- 3. William Wentworth Henry (-1847)
- 3. Geraldine Henry (-)
- 2. Geraldine Mabel FitzGerald (1779-1790)
- 2. Elizabeth Mary FitzGerald (1780-1857)
- 2. George FitzGerald (1783-1784)
- 2. Isabella Charlotte FitzGerald (1784-1868)
- 2. Cecilia Olivia Geraldine FitzGerald (1786-1863)
- 2. Olivia Letitia Catherine FitzGerald (1787-1858)
- 2. Augustus Frederick FitzGerald, 3rd Duke of Leinster (1791-1874)
- 3. Charles W. FitzGerald (1819-1887)
- 4. Geraldine FitzGerald (c1848-1867)
- 4. Mabel FitzGerald (c1849-1850)
- 4. Gerald FitzGerald (1851-1893)
- 5. Daughter FitzGerarld (1885-1886) ... (more)
- 5. Maurice FitzGerald (1887-1922) ... (more)
- 5. Desmond FitzGerald (1888-1916) ... (more)
- 4. Maurice FitzGerald (1852-1901)
- 4. Alice FitzGerald (1853-1941)
- 4. Eva FitzGerald (1855-1931)
- 4. Mabel FitzGerald (1855-1939)
- 4. Frederick FitzGerald (1857-1924)
- 4. Walter FitzGerald (1858-1923)
- 4. Charles FitzGerald (1859-1928)
- 4. George FitzGerald (1862-1924)
- 4. Henry FitzGerald (1863-1955)
- 4. Nesta FitzGerald (1865-1944)
- 4. Margaret FitzGerald (c1866-1867)
- 4. Robert FitzGerald (1868-1868)
- 3. Gerald FitzGerald (1821-1886)
- 3. Jane Seymour FitzGerald (?-1898)
- 3. Otho Augustus FitzGerald (1827-1882)
- 3. Charles W. FitzGerald (1819-1887)
- 2. William Charles O'Brien FitzGerald (1793-1864)