WOLFF-Margaret P., 86. Visitation 4 p.m., wake service 7 p.m., both Dec. 2 at the funeral home. Funeral Mass 10 a.m., Dec. 3 at Immaculate Conception Church. Interment St. John Cemetery, Bellevue. Preceded in death by husband, John J.Wolff Sr. Survived by sons and daughters-in-law, John J. Jr. and Janet, and Walter G. and Shari; daughter and son-in-law, Ruth Ann and Edward Brandt; five grandchildren; eight great-grandchildren; friends; relatives.