Jenna Bush Hager and husband Henry Hager welcomed a daughter over the weekend, making former President Bush a grandpa with the newest addition to the Bush dynasty. Margaret Laura "Mila" Hager was named for Hager Bush's grandmothers, CNN reports. "Jenna and Mila are healthy. And our family is elated," Bush said in a statement. The former president will open the George W. Bush Presidential Center on the campus of Southern Methodist University in Dallas later this month, the AP reports. The Today show has pictures. (More Jenna Bush stories.)