Int. Standard Bible Encyclopedia SISINNES si-sin'-ez (Sisinnes): "The eparch (governor) of Syria and Phoenicia" under Darius Hystaspis (1 Esdras 6:3, 7, 27; 7:1) circa 520 B.C. = "Tattenai the governor beyond the river" in Ezra 5:3, 6; Ezra 6:6, 13. He took a prominent part in the efforts to prevent the rebuilding of the temple.