Isaka wa Tiphre (alifariki Antinoe, Misri, 305 hivi) alikuwa padri aliyefia imani yake pamoja na Wakristo wengine 3687 wakati wa dhuluma ya kaisari Dioklesyano. Tangu kale wote hao wanaheshimiwa na Wakatoliki, Waorthodoksi na Waorthodoksi wa Mashariki kama watakatifu wafiadini. Sikukuu yao huadhimishwa tarehe 25 Septemba. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Abadir, Iraya na wenzao The text of their Passion exists in both Sahidic and Bohairic Coptic and fragments can be found at the National Library, Vienna, Wiener Papyrussammlung, K2563 a-l, ed. Orlandi, 1974, the National Library, Paris, Copte 129.16.104 and the Vatican Library, Rome, Copti 63, fols. 1-65, ed. Hyvernat, 1886-1887. Holweck, F. G. A Biographical Dictionary of the Saint. St. Louis, MO: B. Herder Book Co. 1924. Orlandi, T. "Ter and Erai, Saints." Claremont Coptic Encyclopedia. Claremont: Claremont Colleges. 1991 http://ccdl.libraries.claremont.edu/cdm/ref/collection/cce/id/1818