Numbers 1:20

Israel : a citizen of Israel.,a member of the nation of Israel

Reuben : the tribe of Reuben

Numbers 1:22

Simeon : a son of Jonas and brother of Andrew; an apostle of Jesus Christ,a man who was one of the apostles of Christ and also called 'the Zealot',a brother of Jesus,a man who was a well-know victim of leprosy who had been healed by Jesus (NIV note),a man from Cyrene who was forced to carry the cross of Jesus,a Pharisee man in whose house Jesus' feet were washed with tears and anointed,the father of Judas Iscariot,a man who was a sorcerer in Samaria and who wanted to buy the gifts of the Spirit,a man who was a tanner at Joppa and with whom Peter was staying when Cornelius sent for him

Numbers 3:39

Aaron : a son of Amram; brother of Moses,son of Amram (Kohath Levi); patriarch of Israel's priests,the clan or priestly line founded by Aaron

Levites : relating to Levi and the priesthood given to him,a tribal name describing people and ceremonies as sacred

Moses : a son of Amram; the Levite who led Israel out of Egypt and gave them The Law of Moses,a Levite who led Israel out of Egypt and gave them the law