Heppel Connection

My great-grandfather was Louis William Heppel, married to Ida Mae Morris (born March 14, 1873 in Marcelene, Missouri).Both died in Skedee, Oklahoma.They were married in Missouri August 11, 1891 in St. Catherine, Missouri.They had 12 children.They made the Oklahoma Land Run and settled in Skedee, OK.They both died in Skedee, OK.I am trying to find lineage further back than my great-grandfather.Any connections are appreciated.