VIDEO : Mark Zuckerberg & Priscilla Chan Are Having Another Baby!

San Francisco - Mark Zuckerberg on Thursday revealed that Facebook's first family is growing, with a baby sister on the way for one-year-old daughter Maxima. "We are all better people because of the strong women in our lives - sisters, mothers and friends," Zuckerberg said in a post on his Facebook page. Read the full post here: Zuckerberg's doctor wife, Priscilla Chan, gave birth to daughter Max in late November of 2015. A charitable foundation backed by the couple early this year bought a Canadian artificial intelligence startup as part of a mission to eradicate disease.