I will give you a guide
1. If he was born of Mary, she was his mother.
2. She “being with child by the Holy Ghost,” and Father, Son and Holy Ghost being one, she bore to him the relation of wife.
3. God being the Father of all mankind, and God and Christ being one, she was his daughter.
4. She being the daughter of God, and Christ being the Son of God, she was therefore his sister.
The Christ by Remsburg