|Int. Standard Bible Encyclopedia|
mat-e-na'-i, mat'-e-ni (mattenay, "liberal"):
(1) (2) Two who married foreign wives, one a son of Hashum (Ezra 10:33; in 1Es 9:33 "Altanneus"); the other a son of Bani (Ezra 10:37).
(3) A priest in the days of Joiakim son of Jeshua (Nehemiah 12:19), representing the house of Joiarib.
Mattenai (3 Occurrences)
Ezra 10:33 Of the sons of Hashum: Mattenai, Mattattah, Zabad, Eliphelet, Jeremai, Manasseh, Shimei. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Ezra 10:37 Mattaniah, Mattenai, and Jaasu, (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Nehemiah 12:19 and of Joiarib, Mattenai; of Jedaiah, Uzzi; (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)