Four or more generations of descendants of Charles Henry Alfred Marks (1868-1941) if they are properly linked:
1. Charles Henry Alfred Marks (1868-1941)
- 2. Leslie Eric Marks (1897-1936)
- 2. Victor Dudley Marks (1909-1957)
- 2. Allan Frederick Marks (1912-1971)
- 3. Margaret Marks (aft1912-)