Question: Why did Rhun Hir Ap Maelgwn's father die?
Sentence (from "Rhun Hir ap Maelgwn"): Rhun ap Maelgwn Gwynedd (died c. 586), also known as Rhun Hir ap Maelgwn Gwynedd , his forename is sometimes spelt as 'Rhûn', was King of Gwynedd (reigned c. 547 – c. 586).
Relevant evidence: Yes