The 51-year-old Michael Andretti has three other children from his previous marriages. Oldest son Marco drives for him at Andretti Autosport. He has a daughter, Marissa, and his youngest son ...

Andretti, 50, has three other children from his previous marriages. Oldest son Marco, 26, drives for him at Andretti Autosport. He has a daughter, Marissa, 22, and his youngest son, Lucca, is 14.

Michael Andretti has twin 10-year-old children, two weeks ago became “Nonno” for the first time when son Marco welcomed a daughter, and has multiple business entities to fill his time.

Michael Andretti has twin 10-year-old children, two weeks ago became “Nonno” for the first time when son Marco welcomed a daughter, and has multiple business entities to fill his time.

Michael Andretti and his wife Jodi welcomed twins Mario and Mia in February. Mario is named after his grandfather, who ranks second on the open-wheel all-time wins list with 52 victories.

Michael Andretti has twin 10-year-old children, two weeks ago became “Nonno” for the first time when son Marco welcomed a daughter, and has multiple business entities to fill his time.

Michael Andretti has twin 10-year-old children, two weeks ago became “Nonno” for the first time when son Marco welcomed a daughter, and has multiple business entities to fill his time.

Michael Andretti has twin 10-year-old children, two weeks ago became “Nonno” for the first time when son Marco welcomed a daughter, and has multiple business entities to fill his time. For reasons ...