Four or more generations of descendants of George Duke Cunningham (1859-1936) if they are properly linked:
1. George Duke Cunningham (1859-1936)
- 2. Clara Olivette Sutherland Cunningham (1884-1975)
- 2. Hope Ione Cunningham (1887-1955)
- 2. Leo George Harley Cunningham (1890-1957)
- 2. Raymond Cosmo Cunningham (1893-1967)