Siska, Dorothy A. (nee: Fergon) age 93. Beloved wife of 69 years of the late Alexander. Loving mother of Janet (Jeremy) Rogers, Lynn (John) Murphy, the late Carol, Mark (Beth), Tom (Pam) Siska. Proud grandmother of Aimee and Katy (George Wichelns) Rogers, Carol Murphy (fiancé Matthew McGrory), Marjorie, Melissa and Alexander, Sarah, Matthew, Emily and Alyssa Siska. Great grandmother of Ed, Patti, Kylah, Kaden and Sylvia. Lie in state Thursday 9:00 a.m. at St. Vincent Ferrer Church, 1530 Jackson, River Forest, Mass of  Christian Burial 10:00 a.m. Interment St. Joseph Cemetery. In lieu of flowers Masses preferred. Arrangements by Elms Funeral Home (708)453-1234.