Beowulf's father took refuge in Hrothgar's land after a messy murder back at home. He eventually married Hrothgar's daughter, and then came baby Beowulf. So long story short Hrothgar is Beowulf's grandfather.
Beowulf is a warrior who comes to aid Hrothgar, the king of the Danes, in defeating the monster Grendel. Hrothgar is the ruler of the Danes and Beowulf's mission is to help him rid his kingdom of the menace posed by Grendel. Beowulf's actions in defeating Grendel and later, Grendel's mother, establish a strong bond between him and Hrothgar.
Scyld Scefing was Hrothgar's father. Scyld Scefing died in battle and Hrothgar was selected to be king because of his fame.
'Beowulf' is the epic story that tells us the tale of hero Beowulf, the strongest and bravest of them all and how he defeats monsters and becomes a king. Among several characters we will also meet Hygelac, his uncle and king of the Geats, the one who opens his kingdom's doors and his heart to Beowulf.
Beowulf owes a family debt to Hrothgar because Hrothgar's father helped settle a feud and make peace with Beowulf's father, Ecgtheow. Beowulf's father was indebted to Hrothgar's father for his assistance, which Beowulf sees as a reason to repay the debt by helping Hrothgar against the monster, Grendel.
Hrothgar was the Danish King in the epic poem Beowulf. He ruled over Heorot Hall and was tormented by the monster Grendel until Beowulf came to his aid. Hrothgar served as a mentor and benefactor to Beowulf, rewarding him for his heroic deeds.
Edgetho and Hrothgar are not friends. In the epic poem "Beowulf," Edgetho is Beowulf's father and Hrothgar is the king of the Danes whom Beowulf helps by defeating the monster Grendel. There is no indication of friendship between Edgetho and Hrothgar in the poem.
Beowulf and his men travel to Hrothgar's kingdom to kill Grendel.
Beowulf asks Hrothgar to send his armor to Hygelac if he is unsuccessful in defeating Grendel.
It takes Beowulf and his men five days to reach Hrothgar.
Hrothgar leaves Beowulf in charge of Heorot because Beowulf successfully defeated Grendel and his mother, ensuring the safety of the hall. Hrothgar trusts Beowulf's leadership capabilities and valor in defending the Danes from further threats.
Hrothgar tells Beowulf to not let pride get in the way of being an effective king. However, Beowulf does not listen to his advice. Beowulf's hubris becomes his downfall, which Hrothgar foreshadowed in his speech in the Hall of Heorot."Choose, dear Beowulf, the better part, eternal rewards. Do not give way to pride. For a brief while your strength is in bloom but it fades quickly..." (1759-1762)For more on Hrothgar's important speech to Beowulf, see the related links section below.
he promises Beowulf great treasures
In the epic poem "Beowulf," it is not explicitly mentioned how Hrothgar dies. The poem focuses primarily on Beowulf's heroic deeds rather than the fate of Hrothgar.
Beowulf accepts to go after Grendel's mother but first sets a number of conditions. If Beowulf is to be killed, Hrothgar would have to take care of Beowulf's family and Unferth would inherit his possessions and estate.