As for Jeduthun, from his sons: Gedaliah, Zeri, Jeshaiah, Shimei, Hashabiah and Mattithiah, six in all, under the supervision of their father Jeduthun, who prophesied, using the harp in thanking and praising the LORD.
NIV
Of the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Shimei, Hashabiah, and Mattithiah, six in all, under the direction of their father Jeduthun, who witnessed and prophesied under divine inspiration with the lyre in thanksgiving and praise to the Lord.
AMP
Of Jeduthun: the sons of Jeduthun; Gedaliah, and Zeri, and Jeshaiah, Hashabiah, and Mattithiah, six, under the hands of their father Jeduthun, who prophesied with a harp, to give thanks and to praise the LORD.
KJV