'Lighten' in the Bible

Thy father made our yoke grievous; and now lighten thou the grievous servitude of thy father and his heavy yoke that he put upon us, and we will serve thee.

And he said to them, What advice give ye that we may return answer to this people who have spoken to me saying, Lighten the yoke which thy father put upon us?

And the young men that had grown up with him spoke to him saying, Thus shalt thou say to this people that have spoken to thee saying, Thy father made our yoke heavy, and lighten thou it for us, thus shalt thou say to them: My little finger is thicker than my father's loins;