Uilleam, Yerl o Mar
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Uilleam o Mar, or Uilleam mac Dhonnchaidh (Anglicised: William, Duncan's son), wis a mormaer o Mar rulin frae 1244 tae 1276, kent as Yerl o Mar an aw.
| Precedit bi Donnchadh |
Mormaer o Mar 1244–1276 |
Succeedit bi Domhnall |
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