Jesus' Gentile background

Jesus' ancestry had Gentiles in it - especially since Abraham, Isaac and Jacob were all Gentiles.

God also permitted Adam and Eve's children to marry amongst themselves and yet later forbad it.

Those who promote the sin of interracial marriage are promoting adultery - adulterating both races involved, destroying our God-given diversity, causing confusion - and dishonoring their heritage, their father and mother, their ethnic background. Why covet what God has forbidden and make an idol out of it?

Deuteronomy 32:8
8 When the Most High divided their inheritance to the nations, When He separated the sons of Adam [even though we're all family], He set the boundaries of the peoples According to the number of the children of Israel.

Acts 17:26
26 And [although] He [God] has made from one blood every nation of men to dwell on all the face of the earth [we're all human]... [yet He] has determined their preappointed times and the boundaries of their dwellings...