David (12th Marquis of Queensbury) Douglas
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- 1 David (12th Marquis of Queensbury) Douglas [1]
- Ann Jones
- 2 Emma Cathleen Douglas [1.1]
- Damon Lewis Vincent Heath
- 3 Juno Vera Ann Heath [1.1.1] b. 198 d. Yes, date unknown
- 3 Cato Douglas Ross Heath [1.1.2]
- 3 Tyro Kenyon Zane Heath [1.1.3]
- 3 Juno Vera Ann Heath [1.1.1]
- 2 Alice (of Queensbury) Douglas [1.2]
- 2 Living of Queensbury Douglas [1.3]
- 2 Emma Cathleen Douglas [1.1]
- Ann Carey
- 2 Ambrose Jonathon Carey [1.4]
- 2 Ambrose Jonathon Carey [1.4]
- Alexandra Mary Clare Wyndam Sich
- 2 Sholto Francis Guy (Viscount Drumlanrig) Douglas [1.5]
- 2 Lady Kate Cordelia Sasha Douglas [1.6]
- 2 Lord Milo Douglas [1.7] b. 1975 d. 21 Jul 2009
- 2 Lord Torquil Oberon T. Douglas [1.8]
- 2 Sholto Francis Guy (Viscount Drumlanrig) Douglas [1.5]