What does Loving v. Virginia have to do with the novel Kindred?

The novel
, by, is about Dana, a black woman,  her husband Kevin, a white man, and
her heritage as a descendant from slaves.  Dana is the result of a family history which included
her linage resulting from the rape of her black ancestor by a white slave owner.  The case of
Loving vs Virgina is the decision by the U.S. Supreme court which allowed the...