## that they were required to do according to the law of the Lord ##

Possible meanings are 1) "that the law of the Lord required them to do" or 2) "that the law which the Lord commanded required them to do."

## increasing in wisdom ##

"became more wise" or "learned what was wise"

## the grace of God was upon him ##

This could be translated as "God blessed him" or "God was with him in a special way."