-- The previous sentence does is not supported by the citation in the sentence --> Although Óláfr is known to have had two wives, and no contemporaneous source names Haraldr's mother, she may have been Óláfr's second wife—Christina, daughter of Ferchar, Earl of Ross.
Diana Ross | James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Herbert Kitchener, 1st Earl Kitchener | Rick Ross | Jonathan Ross | Ross | Earl | Adrian Ross | Frederick Roberts, 1st Earl Roberts | Earl of Derby | Earl Warren | Earl of Pembroke | Ross Ice Shelf | 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 | Ross-shire | Ross Perot | 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 |
He also inherited Balnagown from David Ross of Balnagown in 1732, and thus became Chief of Clan Ross, though the Rosses of Halkhead were not descended from the ancient Earls of Ross.