Four or more generations of descendants of John Alston Perry (1871-1952) if they are properly linked:
1. John Alston Perry (1871-1952)
- 2. Cyril Alston Perry (1894-1976)
- 2. Athol Alston Perry (1896-1961)
- 2. Eric Alston Perry (1898-c1974)
- 2. Heather A Perry (1905-)