Four or more generations of descendants of John B Levingston (1866-1924) if they are properly linked:
1. John B Levingston (1866-1924)
- 2. William Arthur Henry Levingston (1896-1913)
- 2. John Davidson Levingston (1899-1978)
- 2. Mary Isabel Levingston (1902-)
- 2. Margaret Jean Levingston (1906-1986)
- 2. Lionel James Levingston (1908-1969)
- 2. Beryl Juanita Levingston (1909-1980)
- 2. Edna Joyce Levingston (1912-2000)