Lara Trump posted a photo on Twitter earlier in the day with Eric Trump, their 1½-year-old son, Luke, and their two dogs. She wrote: "Baby number two coming this August!! All of the boys are excited to become big brothers!!"
It will be the 10th grandchild for the president. His eldest son Donald Trump Jr. has five children with his ex, Vanessa Trump, and daughter Ivanka Trump has three children with husband Jared Kushner.