The new date is Jul 6, 2022.
According to court records obtained by Insider on Wednesday, Musk had twins with a Neuralink executive in November.
A judge in Texas approved a request to change the twins' names to have their father's and mother's last names in their middle names.
Musk is the co- founder and CEO of Neuralink, a company that develops neural implants with the goal of connecting human brains with machines.
The twins were born just weeks before Musk and his former partner had another child through a surrogate.
In addition to working in top roles in several Musk ventures, Zilis has also served as a board member of Openai and project director atTesla.
In 2015, Zilis was named to the Forbes 30 Under 30 list in the venture capital category.
Forbes didn't get a response from Musk and Zilis.
$218.6 billion. It is estimated by Forbes that Musk is the wealthiest person on the planet.
Musk has advocated bringing more children into the world in order to stave off a looming population decline. The first child of Musk and Wilson died of sudden infant death syndrome at 10 weeks old. Three months before the birth of their daughter, he and his musician partner broke up, but he had a son and daughter with him. The 18-year-old daughter of Musk and Wilson said last month that she no longer wanted to associate with her father.
Musk rarely shares photos of his children, but he did on Friday when he posted a picture of him and four of his sons with the Pope.
One of Musk's top executives had twins with him.
The couple still love each other after their break up.