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

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

BBE - And he had no connection with her till she had given birth to a son; and he gave him the name Jesus.

WEB - and didn't know her sexually until she had brought forth her firstborn son. He named him Jesus.

YLT - and did not know her till she brought forth her son -- the first-born, and he called his name Jesus.

Notes