A brother by adoption Reference Page
He, Who was born of Mary was wholly divine.
Reference: Luke 1:35
35The angel answered and said to her, "The Holy Spirit will come upon you, and the power of the Most High will overshadow you; and for that reason the holy Child shall be called the Son of God.
He was completely from above.
Reference: Hebrews 12:2
2fixing our eyes on Jesus, the author and perfecter of faith, who for the joy set before Him endured the cross, despising the shame, and has sat down at the right hand of the throne of God.
He was the Word made flesh.
Reference: John 1:14
The Word Made Flesh
14And the Word became flesh, and dwelt among us, and we saw His glory, glory as of the only begotten from the Father, full of grace and truth.
He became a Jew by the spirit of adoption.
Reference: Romans 8:15
15For you have not received a spirit of slavery leading to fear again, but you have received a spirit of adoption as sons by which we cry out, "Abba! Father!"
When Joseph adopted Him, He became of the lineage of Joseph.
Reference: Luke 3:23
Genealogy of Jesus
23When He began His ministry, Jesus Himself was about thirty years of age, being, as was supposed, the son of Joseph, the son of Eli,
Jesus became Joseph's son by adoption.
Reference: Matthew 1:18
Conception and Birth of Jesus
18Now the birth of Jesus Christ was as follows: when His mother Mary had been betrothed to Joseph, before they came together she was found to be with child by the Holy Spirit.
Equally, Jesus is Russian, English, Chinese and so on by the same spirit of adoption.
Reference: Ephesians 2:19
19So then you are no longer strangers and aliens, but you are fellow citizens with the saints, and are of God's household,
When you adopt the words of Jesus, as your own, you have made Jesus your full brother.
Reference: Ephesians 1:5
5He predestined us to adoption as sons through Jesus Christ to Himself, according to the kind intention of His will,
Truly, Mary was the mother of God.
Reference: Luke 1:46
46And Mary said: "My soul exalts the Lord,
All, who believe on Him, have adopted Him into their households.
Reference: John 1:12
12But as many as received Him, to them He gave the right to become children of God, even to those who believe in His name,