18 Now these were the circumstances of the birth of Jesus Christ. Mary, his mother, was engaged to Joseph, but before they were married it was found that she was about to become a mother through the influence of the holy Spirit.
Matthew 1:18 Cross References - Goodspeed
Matthew 1:1
1 The ancestry of Jesus Christ, who was descended from David, who was descended from Abraham.
Luke 1:25
25 "This is what the Lord has done for me," she said, "now that he has deigned to remove the disgrace I have endured."
Luke 1:27-38
27 to a maiden there who was engaged to be married to a man named Joseph, a descendant of David. The maiden's name was Mary.
28 And the angel went into the town and said to her, "Good morning, favored woman! The Lord be with you!"
29 But she was startled at what he said, and wondered what this greeting meant.
30 And the angel said to her, "Do not be afraid, Mary, for you have gained God's approval.
31 You are to become a mother and you will give birth to a son, and you are to name him Jesus.
32 He will be great and will be called the Son of the Most High. The Lord God will give him the throne of his forefather David,
33 and he will reign over Jacob's house forever; his reign will have no end."
34 Mary said to the angel, "How can this be, when I have no husband?"
35 The angel answered, "The holy Spirit will come over you, and the power of the Most High will overshadow you. For that reason your child will be called holy, and the Son of God.
36 And your relative, Elizabeth, although she is old, is going to give birth to a son, and this is the sixth month with her who was said to be barren.
37 For nothing is ever impossible for God."
38 And Mary said, "I am the Lord's slave. Let it be as you say." Then the angel left her.
Galatians 4:4-5
Hebrews 7:26
26 Such a high priest we needed—godly, blameless, unstained, removed from sinful men and raised above the very heavens;
Hebrews 10:5
5 That is why the Christ, when he was coming into the world, said, "You have not wished sacrifice or offering, but you have provided a body for me.