“US” would be the “Wild Adopted Olive Branches” referred to by St. Paul in the 11th Chapter of his Letter to his Roman Believers. That would be Persons of the various Christian Denominations. I Personally believe that God the Father meant what He said when He Made Promises to the Jewish People way back when.
Although I am part Irish TOO! LOL!
Some people think we IRISH are the LOST TRIBE! Ha Ha!
We are one of the Ten lost tribes according to Yair Davidy, an orthodox Jewish scholar who has done extensive research on these tribes. Go figure.