Four or more generations of descendants of William Henry Gill (1877-1956) if they are properly linked:
1. William Henry Gill (1877-1956)
- 2. Oscar William Clarence Gill (1906-1958)
- 2. Dudley Ross Gill (1910-1990)
- 2. Kelvin Kingsley Gill (1912-1982)
- 2. Lyndal Ainsley Gill (1921-?)