Grandparent-grandchildren
| Grandparent | Grandchildren | Country | Notes |
|---|---|---|---|
| Mario Andretti | Marco Andretti | United States | |
| Mauro Bianchi | Jules Bianchi | Italy France | Jules is French by birth and nationality |
| Donald Campbell | Don Wales | United Kingdom | |
| Briggs Cunningham | Brian Cunningham | United States | |
| Lex Davison | Will Davison | Australia | |
| Alex Davison | |||
| James Davison | |||
| A. J. Foyt (Jr.) | Larry Foyt | United States | Larry is a grandson by birth, but is also the adopted son of A. J. |
| A. J. Foyt IV | |||
| Huntly Gordon | Robby Gordon | United States | |
| Beccy Gordon | |||
| Robyn Gordon | |||
| Théodore Pilette | Teddy Pilette | Belgium | |
| Rod Quaife | Phil Quaife | United Kingdom | |
| Al Unser | Jason Unser | United States | |
| Glen Wood | Jon Wood | United States |
Read more about this topic: List Of Family Relations In Auto Racing