So whos seed was it?. Then said Mary unto the angel, How shall this be, seeing I know not a man? 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.God is the cause for mankind. Ultimately, all men derive from God. The throne of David goes through the loins and seed of Abraham and David.