Joseph Marshall, Gretchin StrawtherMarshall-StrawtherMr. and Mrs. Donald Gilbert of Groves and Mr. and Mrs. Jesse Strawther of Sour Lake announce the engagement of their daughter, Gretchin Strawther to Joseph Marshall, the son of Larry and Regina Marshall of Leavenworth, Kan.The wedding is set for March 17 at First United Methodist Church in Nederland Marshall is a graduate of Lansing High School. He is a special investigative agentwith the Federal Bureau of Prisons.Strawther is a graduate of Thomas Jefferson High School and Lamar University. She is a caseworker at Buckner Children and Family Services.