# May he give you the blessing of Abraham, to you, and to your descendants after you

"May God bless you and your descendants as he blessed Abraham" or "May God give to you and your descendants what he promised to Abraham" 

# that you may inherit the land

God giving the land of Canaan to Jacob and his descendants is spoken of as if a child were inheriting money or possessions from his father.

# the land where you have been sojourning

"the land where you have been staying"