Arvanitis, Katherine (Kolocotrones) ,91, of Medford, January 5, 2015, devoted wife of the late James "Demo" Arvanitis. Survived by her two children, Ellen Souris & her husband William, and Mark Arvanitis, his partner Sheila Papia, her son Stephen & his wife Jessica. Loving grandmother to Leah Souris and Kristina Gasson, her husband Jonathan & their daughter Keira. Loving sister of Fotini Andriopoulos. Also survived by many nieces, nephews, relatives and friends. Funeral from the Faggas Funeral Home, 551 Mt. Auburn St., Watertown, MA on Friday, January 9, 2015 at 9am followed by Services in the Taxiarchae Greek Orthodox Church at 10am. Visiting hours on Thursday from 5 to 8pm at the funeral home. In lieu of flowers donations in her memory may be made to the above named church. Burial in Oak Grove Cemetery.