ཧོ་འོ་ ཐག་~རིང་གི་ ཨ་~ཇོ ། རེ་~སྒུག་~གི་ ལོ་~ཟླ།
That he was slain in a battle with his brother (and by his brother in single combat) is perhaps the most ancient and correct belief.
Family, Obligation, Conflict