Monday, Aug. 27—Brad and Andrea Errthum of St. Charles, Minn., a daughter, Allison Marie, 7 pounds 11 ounces, 21 inches long, born at 5:50 a.m. at Methodist Hospital, Rochester, Minn. She joins a brother, Raymond William. Grandparents are Charley and Judy Errthum of Glen Haven and Barry and Linda Benedict of Hammond. Great-grandpa is Bernie Thompson of Platteville.