Four or more generations of descendants of Joan Beaufort (1433-1518) if they are properly linked:
1. Joan Beaufort (1433-1518)
- 2. Thomas St Lawrence (c1480-)
- 2. Walter St Lawrence (c1482-)
- 2. Christopher St Lawrence (c1483-)
- 2. Genet St Lawrence (c1484-)
- 2. Anne St Lawwrence (c1485-)