|Int. Standard Bible Encyclopedia|
ma-se'-ya, ma-si'-a (machceyah, "Yah a refuge"): Grandfather of Baruch (Jeremiah 32:12) and of Seraiah (Jeremiah 51:59). The name (not to be confused with MAASEIAH (which see) as the King James Version has done even in the above passages) is spelt "Maaseas" (which see) in Baruch 1:1.
Mahseiah (2 Occurrences)
Jeremiah 32:12 and I delivered the deed of the purchase to Baruch the son of Neriah, the son of Mahseiah, in the presence of Hanamel my uncle's son, and in the presence of the witnesses who subscribed the deed of the purchase, before all the Jews who sat in the court of the guard. (WEB JPS ASV BBE NAS NIV)
Jeremiah 51:59 The word which Jeremiah the prophet commanded Seraiah the son of Neriah, the son of Mahseiah, when he went with Zedekiah the king of Judah to Babylon in the fourth year of his reign. Now Seraiah was chief quartermaster. (WEB JPS ASV BBE DBY NAS NIV)