Quarterly: 1st & 4th grandquarters, quarterly: I & IV: vert a lion rampant argent armed and langued gules (Home); II & III: Argent three popinjays vert beaked and membered gules (Pepdie of Dunglas); overall an escutcheon or charged with an orle azure (Landale); 2nd & 3rd grandquarters, quarterly: I: Azure a lion rampant argent armed and langued gules crowned with an imperial crown or (Lordship of Galloway); II: Or a lion rampant gules armed and langued azure debruised of a ribbon sable (Abernethy); III: Argent three piles gules (Lordship of Brechin); IV: or a fess checky azure and argent surmounted of a bend sable charged with three buckles of the field (Stewart of Bonkill); over all on an inescutcheon argent a man's heart gules ensigned with an imperial crown proper and a chief azure charged with three mullets of the field (Douglas)
11代伯コスパトリック・ヒューム(1799–1881)は、外務官僚として活躍し、1875年6月11日に連合王国貴族爵位ラナーク州におけるダグラスのダグラス男爵(Baron Douglas, of Douglas in the County of Lanark)に叙された[7]。これにより以降の当主は1999年の貴族院改革まで自動的に貴族院議員に列することになった。