News Donald Trump Jr. & Wife Expecting Baby No. 5 By Raphael Chestang 5:26 PM PST, January 21, 2014 Getty Images Donald Trump Jr. and wife Vanessa will soon have enough kids for basketball team, as they're expecting their fifth baby. Donald Jr. announced the news Tuesday via Twitter, writing: Well @MrsVanessaTrump Kai, D3, T-man Spencer & I have some exciting news... We are expecting baby #5 this summer. Cant wait #evenlesssleep— Donald Trump Jr. (@DonaldJTrumpJr) January 21, 2014RELATED: 5 Things You Don't Know About Donald Trump Jr. The couple, both 36, are already parents to 6-year-old Kai Madison, 4-year-old Donald John III, 2-year-old Tristan Milos and 15-month-old Spencer Frederick.