SIOUX CITY - Robert J. Gehrig, 59, of Sioux City, formally of Varina, passed away Friday, Aug. 28, 2009 at Mercy Medical center in Sioux City. Funeral services will be held Wednesday Sept. 2, at 11 a.m. at St. Columbkille Catholic Church in Varina. Burial will be at St. Columbkille Cemetery, Varina. Visitation is from 10 a.m. Wednesday until service time at the church. Mahaney Funeral Home in Fonda is in charge of arrangements.