You can look at the Mosaic Law on the restriction of Jewish women marrying Pagans. Still I believe a divorced Jewish woman that wanted to marry would usually only have choices among the Pagans. Now depending on the power and position of her Pagan husband, that would probably reflect on how she lived. If both had converted to Christianity, they are out of the Mosaic Law. That is part of the difficulty of nailing things down....in that they are in a transitional period, look at the Apostle Paul, he was a Roman citizen.
I'm not aware that there was any restrection of any Jews marring anyone outside their race, "ONLY WHEN IT DREW THEM AWAY FROM GOD". Esther was a Jewish woman who married a gentile king. and if a woman was divorced she could marry another man, Deuteronomy 24:2 "And when she is departed out of his house,
she may go and be another man's wife." nor was this restriction with males also. Moses married a no Jewish woman, Zipporah. and had children by her. likewise Joseph who before him married, Asenath, an Egyptian priest daughter from whence came
two of the tribes of Israel, Ephraim and Manasseh. these two tribes was definitly not fully .... what many calls so called Jewish in nationality. so if one say Jewish, ... the question is, how far, or how much? men and women have been marrying inside and outside of their so-called nationality forever. this was one of the reason of the spreading of the Jews.
BOTTOM LINE: for when it comes down to it, nationality is not biological in or out of LAW, but where one live at or from. for ...
Acts 17:22 "Then Paul stood in the midst of Mars' hill, and said, Ye men of Athens, I perceive that in all things ye are too superstitious."
Acts 17:23 "For as I passed by, and beheld your devotions, I found an altar with this inscription, TO THE UNKNOWN GOD. Whom therefore ye ignorantly worship, him declare I unto you."
Acts 17:24 "God that made the world and all things therein, seeing that he is Lord of heaven and earth, dwelleth not in temples made with hands;"
Acts 17:25 "Neither is worshipped with men's hands, as though he needed any thing, seeing he giveth to all life, and breath, and all things;"
Acts 17:26 "
And hath made of one blood all nations of men for to dwell on all the face of the earth, and hath determined the times before appointed, and the bounds of their habitation;"
PICJAG.