Tribes of Israel
Reuben is the first born son of Jacob and Leah.
When the LORD saw that Leah was hated, he opened her womb, but Rachel was barren. And Leah conceived and bore a son, and she called his name Reuben, for she said, "Because the LORD has looked upon my affliction; for now my husband will love me."
from 1121 and 7200
Bet Nun 
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition). Son x2978, children x1568, old x135, first x51, man x20, young x18
Resh Aleph Hey 
to see, behold