Mary Elizabeth Ahrens, aged 59, died Wednesday morning.  Survivors: father, Edward Ahrens; brothers, Willie, Harry, Adolph, Alfred Ahrens, all of San Antonio, and Edmund Ahrens, Austin; sisters, Mrs. Sam Beneke, Mrs. Emma Bottriell, San Antonio, Mrs. George Spoo, Winterset, Iowa, Mrs. Ella Coss, San Angelo.  Services will be Thursday afternoon at 3:30 o'clock at the Riebe Chapel with Mr. Theodore Steenblock, vicar of St. John's Lutheran Church officiating.  Interment in the Zion Lutheran Cemetery at Helotes, Texas under direction of Riebe Funeral Home.