Four or more generations of descendants of Gordon Patterson McAdam (1895-1979) if they are properly linked:
1. Gordon Patterson McAdam (1895-1979)
- 2. Elizabeth Anne McAdam (living)
- 3. Judith *Anne* Campbell (living)
- 3. Susan Margaret Campbell (living)
- 3. Bruce Gordon Campbell (living)
- 3. Graeme Ian Campbell (living)
- 4. Bronwyn Claire Campbell (living)
- 4. Megan Rochelle Campbell (living)
- 4. Matthew Peter Campbell (living)
- 2. David Gordon Cooper McAdam (living)
- 2. Diana Marion McAdam (living)
- 3. Angela Norah Milligan (living)
- 3. Robert Arthur Milligan (living)
- 3. Chantelle Sarah Milligan (living)
- 3. Katrina Anne Milligan (living)