Helen (Liostas) Gatzunis, of Watertown, MA, passed away on March 9, 2018. Beloved wife of the late George J. Gatzunis. Loving mother of John Gatzunis and his wife Christine, Myra Cicalis and her husband Charles, Thomas Gatzunis and his wife Taslene and Lydia Santangelo and her husband Joseph. Sister in law of the late Catherine Houhoulis, and the late Sophie Bennos. Loving grandmother of George, MIchael, Matthew, Thomas, Elizabeth and Rachel Gatzunis, Nicholas Mandonas and his wife Melanie, Christopher Mandonas and his wife Kristina, Olivia and Cassandra Cicalis, and Alexander and Ilianna Santangelo. Also survived by many nieces, nephews, relatives and friends. Funeral Service on Monday, March 12th at 10AM in St. Demetrios Greek Church, 57 Brown St., Weston, MA at 10AM. Visiting hours on Sunday, March 11th at the Faggas Funeral Home, 551 Mt. Auburn St., Watertown, MA from 3PM to 7PM. Relatives and friends kindly invited to attend. In lieu of flowers, donations in her memory may be made to the above named church or to Fisher Center for Alzheimers Research Center/Alzinfo.org. Burial in Mt. Auburn Cemetery.