Patrick Schwarzenegger Seen Bonding With Half-Brother Joseph Baena Through Work Out for First Time Celebrity The 'Midnight Sun' actor appears to be making an effort to build a relationship with his father Arnold Schwarzenegger's love child as they were photographed spending time together in a rare public outing. Apr 6, 2021 Joseph Baena. For the first time in 10 years, the " Midnight Sun" actor and the love child of Arnold Schwarzenegger were photographed having a workout session together in Santa Monica, California. On Monday, April 5, the 27-year-old was spotted doing some cardio exercis...