Celebrity Celebrity Couples Mark Zuckerberg and Wife Priscilla Chan Welcome Their First Child By Alexis Bennett Alexis Bennett Alexis Bennett is a New York-based writer who covers all things fashion, shopping, and beauty. She was previously the Ecommerce editor at InStyle. InStyle's editorial guidelines Updated on December 1, 2015 @ 05:00PM Pin Share Tweet Email Photo: MOLLY RILEY/AFP/Getty Images Congratulations to Mark Zuckerberg and his wife, Priscilla Chan! The coupled welcomed their daughter, Max, into the world and true to form, the proud parents announced the news on Facebook on Tuesday. Along with the exciting news and an adorable photo of the new family, Zuckerberg and Chan wrote an open letter to their daughter outlining their hope for her generation, which includes curing disease, personalizing learning, and reducing poverty, as well as their commitment to helping create a better world. "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," he captioned the birth announcement, which you can read in full below. https://www.facebook.com/notes/mark-zuckerberg/a-letter-to-our-daughter/10153375081581634 PHOTOS: Priscilla Chan Wears Claire Pettibone to Marry Mark Zuckerberg Last summer, Zuckerberg decided to announce that they were expecting their first child. The social media trailblazer shocked the world with this exciting news, but he also shared a very moving message of how the two struggled with miscarriages in the past. As the growing family remained optimistic about the future, they have also helped to ease the burdens of many families by assuring them that they are not alone. Their hopeful message continues to inspire many and to give hope for a better tomorrow. We can't wait to see more from the newest family member, who is sure to be on Facebook soon. Cheers to the growing family.