Four or more generations of descendants of John Low Calef (1818-1891) if they are properly linked:
1. John Low Calef (1818-1891)
- 2. George Greenleaf Calef (1844-1896)
- 2. Emily Ann Calef (1847-1856)
- 2. Abbie Elizabeth Calef (1849-1868)
- 2. Laura Jane Calef (1852)
- 2. Julia Maria Calef (1854-1855)
- 2. Julia Ann Calef (1856-1897)
- 2. John Washington Calef (1868-1917)
- 3. John Roy Calef (1890-1925)
- 3. Ethel Gertrude Calef (1891-1891)
- 3. Ralph Franklin Calef (1893-1974)
- 3. Bessie M Calef (1895-?)
- 3. Marion M Calef (1896-1994)
- 3. Gertrude M Calef (1897-1929)
- 3. Abbie B Calef (1899-1965)
- 3. Alfred Warren Calef (1900-1948)
- 4. Alfred Peter Calef (1921-2005)
- 5. James David Calef (1947-2007) ... (more)
- 4. Warren Henry Calef (1923-1992)
- 4. Robert Wallace Calef (1924-2012)
- 4. John Roy Calef (1926)
- 4. Alfred Peter Calef (1921-2005)
- 3. Walter W Calef (1903)
- 3. Nelson H Calef (1904)
- 3. Ester R Calef (1909-?)