Interracial dating marriage is wrong dating rules half your age plus
Many opponents of interracial marriage claim to oppose all other forms of racism including genocide, different legal rights, and the physical segregation of races to prevent cultural contamination (and some claim to have friends of other races).
However, they generally argue that that it's cruel to have mixed-race kids because they see race as sole/most important element of collective identity.
Their children will be likewise persecuted, perhaps more so than the parents, for complicating racial relations and being inherently 'untrustworthy' due to not being fully one race or the other.
a thing no longer scandalous in the late 20th century, but most certainly just a few decades previously.
On the plus side the scifi/fantasy elements mean the kid is likely to be The Chosen One, a Half-Human Hybrid, a Dhampyr, or perhaps even a Hybrid Monster with really cool powers. Some examples of interracial marriages that earn disapproval can be found in Mighty Whitey and Mellow Yellow, Black Gal on White Guy Drama and Where Da White Women At? For mixed species marriages, see also Vampire-Werewolf Love Triangle.
In Real Life, mixed-race marriages can be everything from completely accepted to something you only do if you've got a death wish.
A woman who, born and educated to a splendid and lofty station in the community, betrays her race, her sex, her duty and her country, and makes a runaway match with a blackamoor."A common source of conflict for a set of married protagonists (or a couple of Star-Crossed Lovers) is for the couple to be of different races among very unaccepting folks.
They will be pressured to break up/divorce by family and friends and community, ostracized, exiled or forced to flee, maimed, or murdered, etc.