Zac Hanson, the youngest of the musical sibling trio, and his wife, Kate, are expecting a child in May.This will be the first for the couple, and number eleven for the Hanson pack. Middle brother Taylor, 24, has three children with wife, Natalie (five-year-old Ezra, Penelope, 2 and River, 1) while the eldest, Isaac, 27, has one child with wife, Nikki (7-month-old Everett).
"I am utterly thrilled at the thought of becoming a father," Zac, 22, told PEOPLE. "I can't wait to meet this person."
"It will be really fun to see five little ones grow up together," Zac added. "I know watching them is going to inspire a lot of music."
Hanson are currently touring in support of their latest album, 'The Walk.'
