The oldest child of Barrett Williams and New Kids on the market singer Joe McIntyre, he was created and raised in LA, California. His parents wedded in August of 2003. After parting methods along with his fellow New Children on the market members, Griffin’s dad released several single albums, including Stay the Same and Match Joe Macintosh. His younger sibling, Rhys, was created in later 2009, and his small sister, Kira, produced her debut in the springtime of 2011. His dad and Jonathan Knight both increased to popularity as members from the youngster band New Children on the market.