Four or more generations of descendants of John Washington Adair (1874-1957) if they are properly linked:
1. John Washington Adair (1874-1957)
- 2. Olivia Adair (1895-1895)
- 2. Cynthia Elfreda Adair (1896-1918)
- 2. John Robin Adair (1898-1916)
- 2. Clements David Adair (1899-1951)
- 2. George Daniel Adair (1901-1950)
- 2. Lloyd Edwin Adair (1904-1948)
- 2. Delbert William Adair (1908-1956)
- 2. Thelma Gladys Adair (1910-1910)
- 2. Lawrence Edward Adair (1912-1954)
- 2. Leslie Ronald Adair (1914-1951)
- 3. Delbert William Adair (1934-1976)
- 4. Lana Gail Adair (1953-1953)
- 4. Darrell Leslie Adair (1964-2022)
- 3. Cleo Adair (1935-1935)
- 3. Gwendolyn Adair (1937-1996)
- 3. Ronald Edward Adair (1938-1970)
- 3. Ina Clair Adair (1940-1998)
- 3. Lawrence Douglas Adair (1947-2011)
- 3. Delbert William Adair (1934-1976)
- 2. Glenn Dayton Adair (1916-1939)
- 2. Genevieve Adair (1918-1991)