Four or more generations of descendants of Albert James Bowyer Lumb (c1882-1953) if they are properly linked:
1. Albert James Bowyer Lumb (c1882-1953)
- 2. Irene Victoria May Lumb (c1908-1935)
- 2. Bessie May Lumb (c1909-1980)
- 2. Grace Maude Lumb (c1911-2001)
- 2. Ada Lillian Lumb (c1913-1998)
- 2. Bert Lumb (-aft1953)
- 2. Raymond Lumb (-aft1953)