In order to understand who The Israel of God be, we need to understand that Jesus the Messiah has come for the purpose of removing sin from Jacob Isaiah 59:20,21 and that this perfect sacrifice with its spiritual efficacy was never intended for the lineage of Abraham after the Flesh. Rom 9:6-8
The current belief that the Israel of God is the 'State of Israel' established in 1948 by illuminati powers is unscriptural.
"For God has shut up all men in disobedience that He might show mercy to all" Rom11:32
There is no favouritism with God "All have sinned and fall short of the Glory of God" Rom 3:23
'The commonwealth of Israel is the Olive Tree' of Romans 11
The commonwealth of Israel are not the 'twelve tribes' pertaining to the Flesh (natural Lineage of Abraham) but they are only those made alive in Christ by the Spirit of God.. Apostle Paul said; "For not all Israel is Israel" Rom9:6