Gunnar and Matt Nelson Open Up About the Legacy of Their Father, Ricky Nelson, and Grandparents, Ozzie and Harriet

Gunnar and Matt Nelson Open Up About the Legacy of Their Father, Ricky Nelson, and Grandparents, Ozzie and Harriet

In an exclusive interview with PEOPLE, they speak about their father's legacy — and their own Courtesy of Gunnar and Matt Nelson Gunnar, Matt, and Ricky NelsonNEED TO KNOWGunnar and Ricky Nelson are opening up about life as the sons of pop icon Ricky Nelson — and as the grandsons of Ozzie and HarrietThe identical twins have a new book, What Happened To Your Hair? In an exclusive interview with PEOPLE, they open up about their father's legacy — a…