MARK Zuckerberg and Priscilla Chan have welcomed their first child.
The Facebook founder announced on the social networking site on Tuesday that his wife Priscilla has given birth to their daughter Max and in the same post he also revealed that the couple have pledged to give away 99 per cent of their Facebook shares to charity during their lives.
He wrote: "Priscilla and I are so happy to welcome our daughter Max into this world! For her birth, we wrote a letter to her about the world we hope she grows up in.
"It's a world where our generation can advance human potential and promote equality -- by curing disease, personalizing learning, harnessing clean energy, connecting people, building strong communities, reducing poverty, providing equal rights and spreading understanding across nations.
"We are committed to doing our small part to help create this world for all children. We will give 99% of our Facebook shares -- currently about $45 billion -- during our lives to join many others in improving this world for the next generation.
"Thank you to everyone in this community for all your love and support during the pregnancy. You've given us hope that together we can build this world for Max and all children."
Mark, 31, announced 30-year-old Priscilla's pregnancy in July and also revealed that they had previously suffered three devastating miscarriages.
He said: "We hope that sharing our experience will give more people the same hope we felt and will help more people feel comfortable sharing their stories as well."