By the mid-14th century the estate of Inverugie had passed to the Keith Earl Marischals who had their main seat at the coastal fortress of Dunnottar Castle.
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In the 19th century an oak heraldry shield was found in a local cottage with the arms of William Keith, 7th Earl Marischal and its date was carved as 1660.
James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Herbert Kitchener, 1st Earl Kitchener | Earl | Frederick Roberts, 1st Earl Roberts | Earl of Derby | Earl Warren | Earl of Pembroke | Robert Harley, 1st Earl of Oxford and Earl Mortimer | Earl of Warwick | Thomas Wentworth, 1st Earl of Strafford | Edward Smith-Stanley, 14th Earl of Derby | Earl of Shrewsbury | William Pitt, 1st Earl of Chatham | Simon de Montfort, 6th Earl of Leicester | Richard Neville, 16th Earl of Warwick | Earl of Leicester | John Scott, 1st Earl of Eldon | Robert Devereux, 2nd Earl of Essex | Robert, 1st Earl of Gloucester | Edward Harley, 2nd Earl of Oxford and Earl Mortimer | Earl of Devon | Douglas Haig, 1st Earl Haig | My Name Is Earl | Edward Hyde, 1st Earl of Clarendon | Earl Scruggs | Earl of March | Richard Howe, 1st Earl Howe | John Russell, 1st Earl Russell |
The dispute which began in his lifetime concerning the hereditary office of Lord High Constable between the families of Erroll and of the Earl Marischal was settled finally in favour of the former; thus establishing the precedence enjoyed by the earls of Erroll next after the royal family over all other subjects in Scotland.
Unlike the separate office of Marischal, the office of Knight Marischal is not heritable, and has continued to be filled up to the death of the 11th Duke of Hamilton in 1863.
Originally the estate belonged to the Frasers, then the Hays starting in 1413, but eventually became the property of the Earl Marischal.