Celebrity Parents Zac Hanson and Wife Kate Expecting Baby No. 5, a Son: 'So Happy and Thankful' The pair share four other children: Mary Lucille Diana, 4, George Abraham Walker, 7, Junia Rosa Ruth, 10, and John Ira Shepherd, 12 By Benjamin VanHoose and Anya Leon Anya Leon Anya Leon is a Senior News Editor and the Parents Editor for PEOPLE. She's been at the brand for over 14 years in various roles across the Entertainment, Lifestyle and News teams. She has appeared on PEOPLE's podcast, PEOPLE Every Day, and covers everything from exclusive pregnancy news to every single Kardashian birth (11 and counting!). She resides in Northern Virginia with her family. People Editorial Guidelines Published on January 15, 2021 12:21 PM Share Tweet Pin Email Photo: Courtesy Zac Hanson The Hanson family is getting another new member! Zac Hanson, the youngest brother in the musical group and the band's drummer, and his wife Kate are expecting their fifth child, a son, they reveal exclusively with PEOPLE. "We're so happy and thankful for the things 2020 got right, especially this little guy coming in March! 💙 Here's to fresh starts and new beginnings," Zac, 35, tells PEOPLE of the pregnancy news. Zac married his longtime love Kate Tucker in June 2006 after five years of dating. They now share four other children together: Mary Lucille Diana, 4, George Abraham Walker, 7, Junia Rosa Ruth, 10, and John Ira Shepherd, 12. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. RELATED GALLERY: Who's Due Next? Celebs Who Are Expecting This will be the 15th child among the three brothers in the Hanson band, which also includes Taylor, 37, and Isaac, 40. Taylor and wife Natalie, 36, recently welcomed daughter Maybellene Alma Joy on Monday, Dec. 7. The couple also share daughters Wilhelmina "Willa" Jane, 8, Penelope "Penny" Anne, 15, and sons Claude Indiana Emmanuel, 2, Viggo Moriah, 12, River Samuel, 14, and Jordan Ezra, 18. Isaac and his wife Nicole have three kids: Nina Odette, 6, James Monroe, 12, and Clarke Everett, 13. "It's a cool thing," Zac said of their collective kids becoming close over the years, while appearing on the Lorraine talk show in February 2019. "We spend a lot of time together touring, in the studio and around each other, so our kids know each other really, really well. They're really, really close."