Four or more generations of descendants of Harrison Gray (1712-1794) if they are properly linked:
1. Harrison Gray (1712-1794)
- 2. Harrison Gray (1741-1830)
- 2. Lewis Gray (1743-1817)
- 2. Elizabeth Gray (1746-1779)
- 3. Harrison Gray Otis (1765-1848)
- 4. Elizabeth Gray Otis (1791-1824)
- 5. Elizabeth Otis Lyman (1817-1847) ... (more)
- 5. George Theodore Lyman (1821-1908) ... (more)
- 4. Harrison Gray Otis (1792-1827)
- 4. Sally Ann Otis (1793-1819)
- 4. Mary Foster Otis (1795-c1796)
- 4. Alleyne Otis (1796-1806)
- 4. George Otis (1797-c1797)
- 4. Sophia Harrison Otis (1799-1874)
- 4. James William Otis (1800-1869)
- 5. Sally Otis (1825-1894) ... (more)
- 5. Sophia R. Otis (1829-1830) ... (more)
- 5. William Church Otis (1831-1889) ... (more)
- 5. Martha C. Otis (1833-1849) ... (more)
- 5. James Otis (1836-1898) ... (more)
- 5. Francis Alleyne Otis (1842-1903) ... (more)
- 4. William Foster Otis (1801-1858)
- 4. Allyne Otis (1807-1873)
- 4. Elizabeth Gray Otis (1791-1824)
- 3. Elizabeth Otis (1767-1788)
- 3. Jonathan Mayhew Otis (-1772)
- 3. Samuel Allyne Otis (1770-1814)
- 4. George Otis (1797-1828)
- 4. Samuel Allyne Otis (1799-)
- 4. Abigail Otis (1801-1809)
- 4. Elizabeth Otis (1803-)
- 4. Mary Ann Otis (1807-1877)
- 4. Tristram Coffin Otis (1808-)
- 4. James Frederick Otis (1809-1867)
- 4. Abby Otis (1811-1812)
- 4. Joseph Marquand Otis (1813-1883)
- 3. George Otis (1778-1797)
- 3. Harrison Gray Otis (1765-1848)
- 2. John Gray (1755-)