Seneca County Genealogical Society to meet today in Tiffin Posted on March 4, 2019 0 TIFFIN — The Seneca County Genealogical Society will be meeting at 6:30 p.m. Tuesday at the Tiffin-Seneca Public Library’s Frost-Kalnow Room. The program presented will be a downloaded video presentation of a session from RootsTech 2019, the world’s largest family history conference. The public is welcome to attend.