military sergeants
It is an unusual situation, in that the romantic relationship existed before the command relationship did. The primary reason fraternization was forbidden in the Inquisition's army was concern that there could be a coercive element to such a liaison. Obviously that is not the case here, so while it remains a tricky situation to navigate, it is not impossible. I wish you both the best of luck with it.
They did. Which reminds me: would you (or any of the other sergeants) be interested in organizing some practice skirmishes? I think it would be helpful both for helping our groups work better as teams, and training them to combat some of the widely varying tactics and powers they may face in the field.