Greid

One of Arthur’s warriors who was the son of Eri. Greid owned a hound named Drudwyn. As one of his tasks, the warrior Culhwch had to obtain this hound to help hunt the boar Twrch Trwyth.

Greid was loyal to the warrior Gwythyr, and joined he Gwythyr’s army against Gwynn ap Nudd. Greid was taken prisoner by Gwynn and according to Salmon of Llyn Luch, Greid was one of the three most unfortunate prisoners - where Mabon and Llud Silver Hand were the other two. They were was not released until Arthur intervened.