No, Beowulf's mother does not kill Unferth in the epic poem Beowulf. Beowulf defeats Grendel's mother in battle, but Unferth is a Danish warrior who is not directly involved in that fight.
Beowulf does not fight Grendel's mother until after he has defeated Grendel.
In 'Beowulf,' the warriors, who were witnessing Beowulf's battle with Grendel, attempted to help the warrior vanquish the monster by hacking away at Grendel with their weapons. However, the problem is that Grendel has a charm which protects him against weapons. As a result, it's through Beowulf's efforts alone, that Grendel is defeated.
When he goes to fight Grendel, Grendel's mother, and when he goes to fight the dragon.
Beowulf kills Grendel's mother's son, Grendel, before preparing to fight her.
They fight each other. Beowulf kills Grendel.
Beowulf tears Grendel arm off and Grendel dies. Beowulf hangs the arm up on a wall but it disappears in the morning.
Beowulf gets hold of Grendel arms. Grendel cant handle the pain and wants to return back to its den. But Beowulfs immence hands rip of Grendels and Beowulf slauters Beowulf.
The hilt of the giant's sword and Grendel's head
Beowulf promises to fight Grendel without weapons or armor, relying solely on his strength and skill, to ensure a fair fight.
Grendel's immediate impulse when he feels the strength of Beowulf's hand is to try and escape by fleeing back to his underwater lair.
Beowulf's trophy from his fight with Grendel is Grendel's severed arm. This arm serves as a symbol of Beowulf's victory and his heroic prowess. It also acts as proof of his strength and courage in the face of the monstrous threat.