Answer:
The wife most likely wanted to be queen and rule. I feel like it was her plan for her husband to die, so she could take over the throne.
Explanation:
Hrothgar asked Beowulf to battle Grendel's mother because the king believed he was the only man capable of dealing with such monsters. This was because Beowulf had earlier succeeded in mortally wounding Grendel. Further, Hrothgar wanted revenge for his close friend.
In order to answer this, we need some context. I'm assuming this is a comprehension?