Sisinnes

SISINNES sĭ sĭn’ ĕs (Σισίννης). The governor of Coele-Syria and Phoenicia under Darius. He objected to the rebuilding of the Temple under Zerubbabel, but was ordered by Darius to desist (1 Esd 6:3, 7, 27; 7:1); called Tattenai in Ezra 5:3; 6:6.

International Standard Bible Encyclopedia (1915)

"The eparch (governor) of Syria and Phoenicia" under Darius Hystaspis (1 Esdras 6:3,7,27; 7:1) circa 520 BC = "Tattenai the governor beyond the river" in Ezr 5:3,6; 6:6,13. He took a prominent part in the efforts to prevent the rebuilding of the temple.