After arguing over Siegfried’s status relative to Gunther’s, Kriemhild has thrown down a challenge to Brunhild by beginning to enter the church before her. Brunhild orders her to stop because, customarily, no liegewoman may enter the church before her superior. That’s when Kriemhild throws Brunhild’s insult back at her by asking why Brunhild would have lowered herself to sleep with a mere vassal, leading to the exchange above. Kriemhild’s reaction to Brunhild is interesting because she doesn’t appear to be particularly troubled by the idea that her husband would have slept with another woman, and it’s not clear what she…