On January 8, 2006, while Schwarzenegger was riding his Harley Davidson motorcycle in Los Angeles, with his son Patrick in the sidecar, another driver backed into the street he was riding on, causing him and his son to collide with the car at a low speed. While his son and the other driver were unharmed, the governor sustained a minor injury to his lip, requiring 15 stitches. "No citations were issued", said Officer Jason Lee, a Los Angeles Police Department spokesman. Schwarzenegger did not obtain his motorcycle license until July 3, 2006.

Which of Schwarzenegger's sons was with him when he had a motorcycle accident in 2006?