Matthew 1:25

But he had no union with her until she gave birth to a Son. And he gave Him the name Jesus.

Note Literally he did not know her

And knew her not till she had brought forth her firstborn son: and he called his name JESUS.

and didn’t know her sexually until she had given birth to her firstborn son. He named him Jesus.

and knew her not till she had brought forth a son: and he called his name JESUS.