# he did not know her

This is a euphemism. Alternate translation: "he did not have sexual relations with her" (See: [[rc://en/ta/man/jit/figs-euphemism]])

# to a son

"to a male baby" or "to her son." Make sure it is clear that Joseph is not portrayed as the actual father.

# Then he called his name Jesus

"Joseph named the child Jesus"