Answer:
1. Healfdene
2. Until he was old
3. Heorogar, Hrothgar, Halga teh good and a daughter who married Onela
Explanation:
There are numerous ways of brainstorming before an informative essay. You can gather and go through all data and find connections between it an what you like about it. You can have your friends help you by giving you ideas. You can work with your teacher in finding what suits you best, etc.
