Donald Trump is about to become a grandfather again.
His son, Donald Jr., announced via Twitter on Tuesday (Jan. 21) that he and his wife Vanessa are expecting their fifth child.
Donald Jr., 36, and his wife currently have four children, ages 6, 4, 2, and 1. It's going to be a while before these parents get a good night's sleep.
Donald Jr. is a businessman who works alongside his siblings, Ivanka Trump and Eric Trump, as Executive Vice President at The Trump Organization. Ivanka has two children of her own.