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Is Arnold Schwarzenegger’s Son Joseph Baena Close With His 4 Half Siblings?

The circumstances around the birth of Arnold Schwarzenegger's son, Joseph Baena, were highly publicized. The father and son appear to have a strong connection visible to the public. But Baena may not be as close with his 4 half siblings, including Katherine Schwarzenegger.

For years, Arnold Schwarzenegger‘s life seemed charmed. A former Mr. Universe winner and star of The Terminator franchise, Schwarzenegger made his fortune in bodybuilding and acting before turning to politics.

Born in Austria, he was elected governor of California as a Republican in 2003. Schwarzenegger was also married to respected journalist Maria Shriver for 25 years. The couple had four children, and they seemed to have beaten the odds when it came to marital happiness.

But then a shocking revelation came out that shattered Schwarzenegger’s family and his public image. He’d had an affair, which resulted in a son. The fallout from that choice reverberates even today.

How Arnold Schwarzenegger’s affair was discovered

Arnold Schwarzenegger speaks into a microphone.
Arnold Schwarzenegger | Valerie Macon/AFP via Getty Images

According to E!, in 1997, Shriver was pregnant with the couple’s youngest child. But what she didn’t know was that Mildred Baena, the family’s housekeeper, was also pregnant with Arnold Schwarzenegger’s baby. Reportedly, even Schwarzenegger didn’t realize that during his affair, he had fathered a child. Joseph Baena was born less than a week after his half-brother Christopher Schwarzenegger.

Mildred Baena continued to work for the couple, and her child was often seen with her. No one thought anything of it at first, but as the years went by, the boy started to look more and more like his father. The resemblance was so remarkable that Shriver couldn’t help but notice. She confronted Schwarzenegger, and he confessed to the affair. 

Arnold Schwarzenegger’s affair ended his marriage to Maria Shriver

US Weekly reports that Shriver filed for divorce two months after discovering the affair. She released a statement saying, “This is a painful and heartbreaking time. As a mother, my concern is for the children. I ask for compassion, respect, and privacy as my children and I try to rebuild our lives and heal.”

Schwarzenegger admitted his guilt, saying, “I understand and deserve the feelings of anger and disappointment among my friends and family. There are no excuses and I take full responsibility for the hurt I have caused. I have apologized to Maria, my children, and my family. I am truly sorry.”

There was no saving the marriage, and the couple soon separated.

Does Joseph Baena have a relationship with his half siblings?


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Schwarzenegger took full responsibility for his relationship with his son, which is sadly not always the case for celebrities and their children. He made an effort to develop a close bond with Baena, and he often speaks about him publicly in glowing terms, just as he does with his other kids. On Instagram, Baena has shared images of himself and Schwarzenegger working out together.

Baena, who recently graduated from Pepperdine with a business degree, likewise speaks of his father fondly. 

Of course, Baena cannot be held responsible for his parents’ actions. But it’s also understandable that his relationship with his half siblings is complicated. As Entertainment Tonight reported, Baena has been spotted in public with his half brother Patrick Schwarzenegger.

Baena did not attend half sister Katherine Schwarzenegger’s wedding to Chris Pratt, but he did congratulate her on Instagram. Schwarzenegger did not reference Baena in an Instagram post celebrating National Siblings Day.

Joseph Baena has a strong relationship with his father, visible to the public. However, any relationship he has with his half siblings has stayed largely out of the public eye.