Joined his parents and siblings in Heaven on Tuesday May 4, 2021 at age 87. Loving husband of Marlene Dretzka (nee Gielow). Cherished dad of Kevin (Silvia) Dretzka, Laurie (Joel) Ihde, Julie (Ron) Robinson, and Jean (Bill) Myers. Beloved Papa of Emily, Lukas, Zachary (Kate) Ihde, Austin, Noah, Wesley (Caitlin) Robinson, Jillian, Rachael, and Trevor. Dear great-grandpa of Francis, Genevieve, Clare, Faustina, Lucia, Sebastian, and Veronica. He will be greatly missed for his humor and stories by many family and friends. Bob loved building and designing cars in his spare time. He had an engineering mindset with how he approached life. He was always up for the challenge. A visitation will be held on Thursday May 13, 2021 from 9:30AM until 11AM at Divine Mercy Parish ( 800 Marquette Ave, South Milwaukee, WI 53172). A Mass starts at 11AM. If you would like to watch a live stream of the Mass, please click here. Interment to follow at Holy Seplucher Cemetery.