The trope is now known as Maligned Mixed Marriage. Was the couple's interrracial relationship looked down upon in-universe?
05:48:33 PM Feb 9th 2012
None of the characters specifically said anything but in both cases you've got people from Nations on the opposite side of a war. Ursa didn't tell anyone she was Fire Nation but when they find out, no one really cares.
"Played with" maybe?