Gondelsheim, an illegitimate daughter of Louis I, Grand Duke of Baden, the Swedish Count Carl Israel Wilhelm Douglas (1824–1898) came into possession of Langenstein Castle in Baden, near Lake Constance. Their children achieved important political offices in both Sweden and Germany: their son count Wilhelm Douglas was a member of the German Reichstag, his brother count Ludvig Douglas (1849–1916) was the Swedish foreign minister, and their grandson count Archibald Douglas (1883–1960) was chief of staff of the Swedish army. In 1906, the grandson Karl Robert took up his main residence at Langenstein Castle, which his descendants still live in today. Chief Alexander Douglas-Hamilton, 16th Duke of Hamilton, and 13th Duke of Brandon is heir to the chiefdom of the house of Douglas, but he cannot assume the title of chief since the Lord Lyon King of Arms requires him to assume the single name Douglas. Note that the Duke of Hamilton is the Chief of Clan Hamilton. For a list of the historic chiefs of Clan Douglas see: Earl of Douglas until 1455 and Earl of Angus for after 1455. Douglas castles Aberdour Castle, Fife, held by the Earls of Morton (partially preserved). Balvenie Castle, Moray, held by James Douglas, 7th Earl of Douglas (ruined). Berwick Castle, Northumberland. Governed by William "le Hardi".(ruined, now forms part of Berwick-upon-Tweed railway station) Bonkyll Castle (Bunkle), Berwickshire. Bothwell Castle, South Lanarkshire (ruins). Bowhill House, Selkirkshire. Home of the Duke of Buccleuch and Queensberry (preserved). Cranshaws Castle. Dalkeith Castle, Mid-Lothian. (heavily converted) Douglas Castle, in South Lanarkshire (now only minimal ruins remain). Drumlanrig Castle, Dumfries and Galloway. 17th-century mansion house of the Dukes of Buccleuch and Queensberry (preserved). Grangemuir House, Fife. Hawthornden Castle, Mid-Lothian. Hermitage Castle, Roxburghshire, 13th-century Douglas stronghold (restored ruin). Hume Castle, Berwickshire. ancient links with Douglas, home of Sir Alexander Douglas. Kilspindie Castle, East Lothian. Home to the Douglases of Kilspindie, (scant ruins) Langenstein Castle, Germany, to this day home to the Swedish-German branch (Counts Douglas). Lennoxlove House, East Lothian. Home of the Duke of Hamilton, (also the Marquess of Douglas and Clydesdale, Earl of Angus etc.) (preserved). Loch Leven Castle, Kinross. First home of the Earl of Morton (ruins). Lochindorb Castle, Strathspey Morton Castle, Nithsdale, Dumfries and Galloway. ruined former home of the Douglas Earls of Morton. Newark Castle, Selkirkshire. Neidpath Castle, Peeblesshire. Ormond Castle, Black Isle. Roxburgh Castle, captured by Sir James Douglas. Rydboholm Castle, home to the Swedish