The Hebrew proper name Achyan (Ahian) is a relational form of ach (brother), meaning 'brotherly' or 'little brother.' Ahian appears in the genealogies of Manasseh as a son of Shemida, listed among those whose families possessed land in the territory of Manasseh west of the Jordan.
The tribal genealogies of Manasseh in 1 Chronicles establish land inheritance rights that persisted from the conquest under Joshua. Names like Ahian represent the ongoing covenantal claim of each family to its portion of the Promised Land. God is a God of inheritance and continuity — He does not forget the claims of the faithful. The repeated emphasis on family names and land reminds us that the promises of God are passed from generation to generation, and that God keeps His word to every family line He has blessed.