The soul of Messiah seized Mary’s womb when Gabriel announced the event, thou shalt conceive in your womb, (Lk 1:31).

Luke 1:35

35 And the angel answered and said unto her, The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing which shall be born of thee shall be called the Son of God.

KJV

Alternate Translation

LK 1:35

The Spirit of the Holy One (not “the Holy Spirit”) shall come upon you, and the dunamis power of [the Keter], the highest [Sefirah] shall influence your [reproductive system with its] holy [DNA]: therefore, the thing that shall also be born, shall be called the Son of God  (ATB)

John, the Baptist and John, the Apostle were two different, separate people

If we are born again, like Jesus told Nicodemus, should we not have a sin nature anymore? 

The Scripture distinguishes between the kings of the earth/land and the kings of the world