In 35 words or fewer, what is the audience meant to infer about Unferth when Beowulf's accuses Unferth of killing his own brothers?

what are the following?

particulars about treasure island, from the beginning to the end, keeping nothing back but the bearings of the island, and that only because there is still treasure not yet lifted, i take up my pen in the year of grace and go back to the time when my father kept th

explanation:

demonstrative is te word i think