Attitudes, migration patterns, availability of partners and education are all factors of interracial and interethnic marriages Nov 27, 2017. Prince Harry and Meghan Markle's engagement is shining a light on inter-racial couples in the UK. Ms Markle, who is of African-American and white heritage, is set to become the first mixed-race member of the British Royal Family, with her and Prince Harry the first interracial royal couple. But inter-racial. Nov…