Donald Trump's Wife Pregnant

Donald Trump and his wife, Melania Knauss, are expecting their first child together, his rep confirms to PEOPLE.

"They are expecting in the spring," says the spokesperson, adding: "They are very happy."

As for becoming a father again – while this will be his first child with the 35-year-old Melania, he has four other children – Trump, 59, "is loving it," the rep tells PEOPLE. "He's always said he wouldn't mind having more of a family."

The New York-based Apprentice star and real-estate developer has three children by his first wife, Ivana (Donald Jr., 27; Ivanka, 23; and Eric, 21) and a daughter with second wife Marla Maples (Tiffany, 11).

Source: PEOPLE