Mateo 1

And he knew her not, yet she bore her son, the firstborn. And he called his name JESUS.

Y no la conoció hasta que parió á su hijo primogénito: y llamó su nombre JESUS.

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.