EWEN-Helen M., 68. Visitation Feb. 1, 5-7 p.m. at West Center Chapel. Funeral service Feb. 2, 10 a.m. Mass at St. John Vianney Church. Interment Calvary Cemetery. Preceded in death by husband, Roger F. Ewen. Survived by daughters and sons-in-law, Jennifer and Les Abrams, Cave Creek, Ariz., and Beth and Dave Schwarting, Carmel, Ind.; sons and daughter-in-law, Jeff and Stephanie Ewen, Papillion, and Mark Ewen; six grandchildren; sisters, Pat Carnevale and Betty Fluker. Memorials to Alzheimer's Association, 225 N. Michigan Ave. Flr. 17, Chicago, IL 60601.