Robert J. Sullivan, 62, of Martinsburg, NE passed away on Saturday, June 8, 2019 at Nebraska Medical Center in Omaha, NE.Services will be held at Mohr Funeral Home in South Sioux City on Thursday, June 13 with a visitation at 5:00pm and service at 7:00pm. Bob was born February 5, 1957 in Wakefield, NE, the son of George and Thelma (Harrison) Sullivan. He graduated from Allen High School in 1975. Bob married Julie Osbahr in 1976 in Wakefield, NE and they were blessed with three children. He worked at several jobs before establishing Sullivan Construction with his brother Randy in 1989. Bob was an avid outdoorsman where he enjoyed hunting and fishing. He loved spending time visiting his children and grandchildren and attending their activities. He also enjoyed following Nebraska sports. Survivors include his wife, Julie Sullivan of Martinsburg, NE; children, Jill (Dean) Kottwitz of Aurora, NE, Courtney Sullivan of Salix, IA, and Joe (Kara) Sullivan of Syracuse, NE; grandchildren, Tyson, Conner, Cade, Ashlyn, and Garrett; siblings Sandie (Duane) Bennett; Gary (Sharon) Sullivan; Connie (Brad) Dangberg; Nancy (Dennis) Junck; Patti Grashorn; Steve (Sandy) Sullivan; Randy (Laura) Sullivan, Diane Sullivan (wife of George); father-in-law, Myron (Maureen) Osbahr; brothers-in-law Doug (Leslee); Robert (Carole) Osbahr. He was preceded in death by his parents, George and Thelma Sullivan; a brother, George; mother-in-law, Shirley Osbahr, and brother-in-law, Steve Osbahr.