Mark Zuckerberg and his wife just announced they're having another baby girl

The venerable exec Facebook and his wife, Dre Priscilla Chan, announced that they had their second child. Zuckerberg and Chan are already parents of Max, 1.

After our difficult experience saw Max, we didn't know what to expect or if we would be able to have another child,"Zuckerberg wrote o nhis Facebook page. 

"When Priscilla and I first discovered she was pregnant again, our first hope was that the child would be in good health.

" My next hope was that it would be a girl. I can't think more great gift to have a sister, and I'm so happy Max and our new child will have each other.

Facebook CEO Mark Zuckerberg delivers a keynote during the Facebook f8 Developer Conference at the San Francisco Design Center in San Francisco on September 22, 2011 in California. AFP PHOTO/Kimihiro Hoshino (AFP ImageForum)

Too Much Social Media Use Linked to Feelings of Isolation

Zuckerberg, 32, said he grew up with three sisters and said they show him 'how to compete and still laugh together afterwards.' Chan has also grown with the sisters, Zuckerberg wrote continued in medical and business careers

“We are all better people because of the the strong women in our lives -- sisters, mothers and friends,” the Facebook CEO wrote. “We can't wait to welcome our new little one and do our best to raise another strong woman.”

After the birth of Max in December 2015, Zuckerberg and Chan, announced the Initiative of Zuckerberg Chan to give 99% of the wealth of the couple.

Given that philanthropic efforts were disclosed, the couple have invested in many areas, including education and scientific research.