Wrong. Not "knew", caused it to occur, according to His divine will.Yes, the Lord knew he would build his church and those that would become members of his body would be given those blessings. Not one person was elected to be in his body from the foundation of the world. The context is blessings found in Christ not people.
[Eph 1:4 KJV] 4 According as he hath chosen us in him before the foundation of the world, that we should be holy and without blame before him in love:
[1Co 1:30 KJV] 30 But of him are ye in Christ Jesus, who of God is made unto us wisdom, and righteousness, and sanctification, and redemption: