Robert J. Mattson Jr. Found peace on Sunday, May 2, 2021, age 42 years. Beloved son of Robert and Karol Mattson; and the late Darlene Shaffer. Loving brother of Melissa (Ron) Buckler, Neil (Tammi) Mattson, Andrea (John) Knibbs, Jared (Jennifer) Zambo, Mallory (Christopher) Rout and April Shaffer. Dear fiance' of Gina Morawski. Loving father of Gianna, Lana and Brianna. Also survived by other family and friends. Robert always had a strong desire to work and was always willing to lend someone a hand. He enjoyed fishing, family cookouts, playing hockey, was an avid Packer fan and most of all he loved spending time with his girls. Visitation at the Funeral Home on May 10, 2021, 5:00-7:00 PM. Funeral Service at 7:00 PM. In lieu of flowers, memorials in Rob's name to Roots Recovery Houses for Men, PO Box 11855 Shorewood WI 53211.