King Frederick III of Denmark

Frederiksborg Castle, Hillerød, Denmark, 1577 - 1648

Duborg Castle, Flensburg, Denmark, 1646 - 1699

Caernarfon Castle, Gwynedd, Wales, 1284 - 1327

Edinburgh Castle, Edinburgh, Scotland, 1566 - 1625

St Andrews Castle, St Andrews, Scotland, 1452 - 1488

Roxburgh Castle, Scotland, 1241 - 1286

Windsor Castle, Windsor, England, 1312 - 1377

Windsor Castle, Windsor, England, 1421 - 1471

Stirling Castle, Stirling, Scotland, 1473 - 1513

Winchester Castle, Winchester, England, 1207 - 1272

Pembroke Castle, Pembroke, Wales, 1457 - 1509

Windsor Castle, Windsor, England, 1844 - 1900

Tre Kronor Castle, Stockholm, Sweden, 1655 - 1697

Castle Headingham, England, 1829 - 1914

Allington Castle, Maidstone, England, 1503 - 1542

Blair Castle, Perthshire, Scotland, 1871 - 1942

Stuyvenberg Castle, Brussels, Belgium, 1930 - 1993

Tre Kronor Castle, Stockholm, Sweden, 1594 - 1632

Castle Douglas, Scotland, born 1953

Gordon Castle, Fochabers, Moray, Scotland, 1743 - 1827

Culzean Castle, Maybole, Scotland, 1690 - 1780

Crathes Castle, Aberdenshire, Scotland, 1778 - 1849

Inverugie Castle, Aberdeenshire, Scotland, c.1692 - 1778

Castle Douglas, Scotland, 1861 - 1931