'Co heirs' in the Bible
Now if we are children, we are heirs heirs of God and co-heirs with the Messiah if, in fact, we share in his sufferings in order that we may also share in his glory.
which in other generations was not made known to men, as it is now revealed to his holy apostles and prophets by the Spirit; that the Gentiles should be co-heirs,
The Gentiles are coheirs, members of the same body, and partners of the promise in Christ Jesus through the gospel.
By faith he stayed as a foreigner in the land of promise, living in tents with Isaac and Jacob, coheirs of the same promise.
Husbands, in the same way, live with your wives with an understanding of their weaker nature yet showing them honor as coheirs of the grace of life, so that your prayers will not be hindered.