school. MacLeod of Assynt who betrayed James Graham, 1st Marquess of Montrose was later imprisoned in the castle. In 1952 the castle was sold to Queen Elizabeth The Queen Mother who had it restored. Ravenscraig Castle, near Kirkcaldy dates from the fifteenth century and is one of the first castles in Britain to have been built for both defensive and offensive artillery use. The Sinclairs received Ravenscraig after they resigned the Earldom of Orkney. They owned it until 1650 and it was the Sincalirs who completed the castle. The property later passed to the Sinclair-Erskine family and is now in the care of Historic Scotland who have opened it to the public. Ackergill Tower, near Wick, Caithness, was seized by the Sinclairs in 1547 but later returned to the Clan Keith. It was acquired by the Sinclairs again in 1612. Braal Castle, near Thurso, Caithness, is a ruinous castle that passed to the Sinclair Earls of Caithness by 1547 and then went to the Sincalirs of Ulbster. Dunbeath Castle, near Dunbeath, Caithness, was acquired by the Sinclairs in the 15th century. Keiss Castle, near Wick, Caithness, the original castle of which was held by the Sinclairs of Keiss until they abandoned it for new Keiss Castle in 1755. The old castle is now dangerously ruined. Castle of Old Wick, near Wick, Caithness. During a feud between the Clan Sutherland and Clan Sinclair the castle was starved into submission by John Sinclair, Master of Caithness in 1595. It is now in the care of Historic Scotland. Thurso Castle, near Thurso, Caithness is a ruinous mansion on the site of a castle. It was held by the Sinclairs of Greenland and Rattar in 1612. Thurso Castle was the home of Sir John Sinclair, 1st Baronet of Ulbster who compiled the Statistical Account of Scotland and who died in 1835. This line of Sinclairs had been made Baronets in 1786 and Viscounts Thurso in 1952, and they still live in Caithness. Clan profile Clan Chief: Malcolm Ian Sinclair, 20th Earl of Caithness Crest badge: Note: the crest badge is made up of the chief's heraldic crest and motto, Chief's motto: "Commit thy work to God" (sometimes styled as Latin: "Revela Domino opera tua) Chief's crest: A cock rampant Clan plant badge: Whin Lands: Midlothian, Orkney and Caithness Gaelic Name: Mac na Ceardadh Origin of Name: Placename, French: "de Sancto Claro" Pipe Music: "Spaidsearachd