THEY KNEW WHOSE SON HE IS

Matthew 1:18-25 - The angel of the Lord appeared to Joseph in a dream.

[18] Now the birth of Jesus Christ was on this wise: When as His mother Mary was espoused to Joseph, before they came together, she was found with child of the Holy Ghost.  [19] Then Joseph her husband, being a just man, and not willing to make her a public example, was minded to put her away privately.  [20] But while he thought on these things, behold, the angel of the Lord appeared unto him in a dream, saying, Joseph, thou son of David, fear not to take unto thee Mary thy wife: for that which is conceived in her is of the Holy Ghost.  [21] And she shall bring forth a son, and thou shalt call His name JESUS: for He shall save His people from their sins.
[22] Now all this was done, that it might be fulfilled which was spoken of the Lord by the prophet, saying,  [23] Behold, a virgin shall be with child, and shall bring forth a son, and they shall call His name Emmanuel, which being interpreted is, God with us.
[24] Then Joseph being raised from sleep did as the angel of the Lord had bidden him, and took unto him his wife:  [25] And knew her not till she had brought forth her firstborn son: and he called His name JESUS.

Luke 1:26-38 - Gabriel was sent to Mary.

[26] And in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth,  [27] To a virgin espoused to a man whose name was Joseph, of the house of David; and the virgin's name was Mary.  [28] And the angel came in unto her, and said, Hail, thou that art highly favored, the Lord is with thee: blessed art thou among women.  [29] And when she saw him, she was troubled at his saying, and cast in her mind what manner of salutation this should be.  [30] And the angel said unto her, Fear not, Mary: for thou hast found favor with God.  [31] And, behold, thou shalt conceive in thy womb, and bring forth a son, and shalt call His name JESUS.  [32] He shall be great, and shall be called the Son of the Highest: and the Lord God shall give unto Him the throne of His father David:  [33] And He shall reign over the house of Jacob forever; and of His kingdom there shall be no end.
[34] 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.  [36] And, behold, thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her, who was called barren.  [37] For with God nothing shall be impossible.
[38] And Mary said, Behold the handmaid of the Lord; be it unto me according to thy word. And the angel departed from her.

 

The real question is:  Do you know whose Son He is?