הַחַמִישִׁי֙ לַחֹ֣דֶשׁ הַחֲמִישִׁ֔י הַשַּׂ֖ר שַׁמְה֣וּת הַיִּזְרָ֑ח וְעַל֙ מַחֲלֻקְתּ֔וֹ עֶשְׂרִ֥ים וְאַרְבָּעָ֖ה אָֽלֶף׃ (ס)
The fifth captain for the fifth month was Shamhuth the Izrahite; and in his course were twenty and four thousand.
Rashi on I Chronicles
the leader was Shamhuth the Zerahite - Heb. הַיִּזְרָח