Jesus’ mother Mary was “betrothed” to Joseph. Remember what “betrothal” was in the Jewish marriage process.* It consisted of two steps.
First, a formal marriage contract would worked out where a young man would be given marital and legal rights over a girl, usually when she was between twelve and thirteen years old.
During this time of betrothal, the boy and girl would be considered “husband and wife,” legally, but the girl would continue to live at her own family home, usually for about a year.
Second, after the year or so of betrothal, there would be a formal transfer or “taking of the bride” to the husband’s family home, and from that point on, he would be responsible for her support.
During the time of betrothal, no marital relations were tolerated…