Recently ascended on his father's passing, inherited a right mess of internal clan politics
Father (former Duc) died of a highly suspicious "accident" (fell on a knife?)
Had many brothers, all dead as a result of "behaving like Scotsmen"—some may have been deliberate. Duc Robyn is not (commonly) suspected to be complicit in any of those deaths—too much of a "good guy" for that—but he did have motive and opportunity…