Donald J. Trump III was born just after midnight on Wednesday
Credit: Jim Spellman/WireImage

The Trump empire just got bigger.

Donald Jr. and his wife Vanessa, both 31, welcomed their second child, a son, on Wednesday, the happy parents confirm to PEOPLE.

Donald J. Trump III was born at 12:09 a.m. He weighed in at 8 lbs., 11 oz., and was 20.5 inches long at birth.

“Everyone is doing well and is extremely excited about the new baby,” a friend of the couple tells PEOPLE.

The Trumps are already parents to a daughter, Kai Madison, who was born in May 2007.