'Least' in the Bible

They said, “If you send away the ark of the God of Israel, do not send it empty [without a gift]; but be sure to return [it] to Him [together with] a guilt offering. Then you will be healed, and it will be known to you why His hand is not removed from you.”

And Saul answered and said, Am not I a Benjamite, of the smallest of the tribes of Israel? and my family the least of all the families of the tribe of Benjamin? wherefore then speakest thou so to me?

And the priest answered David, and said, There is no common bread under mine hand, but there is hallowed bread; if the young men have kept themselves at least from women.