Robert J. Potratz; Beloved husband of the late Mary, nee Andrews; loving father of Robert (Donna), Laura Helsper, Kenneth (Julie) and Steven (Jacquie); dear grandfather of Lesa, Rebecca, Bob, Katie, Ashley, Megan, Jocelyn and Brett; dear uncle, cousin and friend to many. Visitation Friday 4 to 9 p.m. Funeral Saturday 9 a.m. from Lawrence Funeral Home 4800 N. Austin Ave., (at Lawrence Ave.) Chicago to St. Robert Bellarmine Church for Mass of Christian Burial 9:45 a.m. Interment Maryhill Cemetery. In lieu of flowers, donation to Rainbow Hospice Ark , Park Ridge would be appreciated. For information 773-736-2300