Barbados
The Adams Family (father-son)
- Sir Grantley Herbert Adams (Premier of Barbados, 1954–58)
- Tom Adams (Prime Minister of Barbados, 1976–85)
The Barrow Family (brother-sister)
- Errol Barrow (Prime Minister of Barbados, 1961–76 and 1986–87)
- Dame Nita Barrow (Governor-General of Barbados, 1990–95)
Read more about this topic: List Of Political Families