WALLERSTEDT-Sheila M., 56. Funeral Mass Nov. 30 at St. Cecilia Cathedral. Interment Calvary Cemetery. Preceded in death by father, Charles G. Survived by mother, Patricia Rotolo; brother and sister-in-law, Charles and Tracy; sisters and brother-in-law, Mary and Harlan, and Theresa; nieces; relatives. Memorials to the San Francisco SPCA.