Extended Strong's Greek Lexicon (Abbott-Smith based)
Saul
Usage: Σαούλ, ὁ indecl. (in FlJ, Σάουλος; Heb. שָׁאוּל) Saul; __(a) the King of Israel: Act.13:21; __(b) the Jewish name of the Apostle Paul, used in the indecl. form only in address (cf. Σαῦλος): Act.9:4, 17 22:7, 13 26:14.† (AS)