According to scripture, God has a wife -Israel. He is her husband/husbandly owner.
The nation was cast off but Jehovah said he would never leave Israel. That being said, Jesus spoke of Israel as a spiritual nation and the 144,000 to be picked from both Israel and the nations (to fulfill the number) who were to be king priests with Him. So if Jehovah was speaking about the spiritual Israel, not the earthly nation of Israel, who does the 144,000 spiritual Israelites belong to?
Not relating to the number ( be it literal or not) just the idea behind it all.....