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Lord William Montagu Hay
10th Marquess of Tweeddale
Son of: George Hay
and: Susan Montagu
born: 29/1/1826
died: 25/11/1911 Mayfair, London
Lord Hay
  marriage
  x May 1878 Candida Louisa Dundas Bartolucci  
 
    the following children were born of this union:
1. William George Montagu Hay 11th Marquess of Tweedale
2. Arthur Vincent Hay
3. Edward Douglas John Hay
4. Susan Elizabeth Clementine Hay
5. Candida Louise Hay

William George Montagu Hay
11th Marquess of Tweeddale
Son of: Lord William Montagu Hay.10th Marquess of Tweeddale
and: Candida Louisa Dundas Bartolucci
born: Tuesday 4 November 1884
died: Thursday 30 March 1967
  marriage
  x Saturday 7 December 1912 Marguerite Christine Ralli  
  the following children were born of this union:
1. Lady Helena Candida Hay
2. Lady Marguerite Georgina Christine Hay
3. Lady Christine Daphne Hay
4. Lady Francis Elizabeth Ann Hay

Arthur Vincent Hay
Son of: Lord WIlliam Montagu Hay 10th Marquess of Tweeddale
and: Candida Louisa Dundas Bartolucci
born: Tuesday 16 March 1886
died Monday 14 September 1914

Lady Marguerite Georgina Christine Hay
  Daughter of: William George Montagu Hay 11th marquess of Tweedale
and: Marguerite Christine Ralli
born: Sunday 19 March 1916
died: 2001
  marguerite
  marriage
  x1941 Arthur Nicholas Coleridge
 
    the following children were born of this union:
1. Frances Marguerite Katherine Coleridge born 1943 married 1964 Neil Lindsey Vaughan Smith


Caroline Susan Elizabeth Hay
Daughter of: Edward Douglas John Hay
and: Violet Florence Barclay
born: Monday 20 October 1930

Charles David Montagu Hay

14th Marquess of Tweeddale
Son of: David George Hay 12th Marquess of Tweedale
and: Sonia Mary Peake
born: Wednesday 6 August 1947

Lady Christine Daphne Hay


Daughter of: William George Montagu Hay 11th Marquess of Tweedale
and: Marguerite Christine Ralli
born: Saturday 29 March 1919

David George Montagu Hay
12th Marquess of Tweeddale
Son of: Edward Douglas John Hay
and: Violet Florence Barclay
born: Tuesday 25 October 1921
  marriage
1st: x Saturday 26 October 1946 Sonia Mary Peake   
  the following children were born of this union:
1. Edward Douglas John Hay
2. Charles David Montagu Hay 14th Marquess of Tweedale
3. Alistair James Montagu Hay
  marriage
2ndly: x Wednesday 14 January 1959 Nella Doreen Dutton   
  the following children were born of this union:
4. Andrew Arthur George Hay
5. Hamish David Montagu Hay

Edward Douglas John Hay
13th Marquess of Tweeddale
Son of: David George Hay 12th Marquess of Tweedale
and: Sonia Mary Peake
born: Wednesday 6 August 1947
died: 2005

Alistair James Montagu Hay
Son of: David George Hay, 12th Marquess of Tweeddale
and: Sonia Mary Peake
born: Friday 4 November 1955

Andrew Arthur George Hay
Son of: David George Hay, 12th Marquess of Tweeddale
and: Nella Doreen Dutton
born: Saturday 24 October 1959

Edward Douglas John Hay
Son of: Lord William Montagu Hay. 10th Marquess of Tweeddale
and: Candida Louisa Dundas Bartolucci
born: Friday 2 November 1888
died:  
  marriage
  x Thursday 18 October 1917 Violet Florence Barclay
  the following children were born of this union:
1. Maryoth Christine Hay
2. David George Montagu Hay
3. Caroline Susan Elizabeth Hay

Lady Francis Elizabeth Ann Hay


Daughter of: William George Montagu Hay 11th Marquess of Tweedale
and: Marguerite Christine Ralli 
born: Wednesday 27 October 1926

Hamish David Montagu Hay
Son of: David George Hay 12th Marquess of Tweedale
and: Nella Doreen Dutton
born: Saturday 24 October 1959

Lady Helena Candida Hay
Daughter of: William George Montagu Hay 11th Marquess of Tweedale
and: Marguerite Christine Ralli
born: Friday 5 September 1913

Lady Susan Elizabeth Clementine Hay


Daughter of: Lord William Montagu Hay. 10th Marquess of Tweeddale
and: Candida Louisa Dundas Bartolucci
born: Saturday 9 August 1879
died: Saturday 15 February 1964
susan
  marriage
  x 1901 Captain Walter Waring

Candida Louise Hay
Daughter of: Lord WIlliam Montagu Hay10th Marquess of Tweeddale
and: Candida Louisa Dundas Bartolucci
born: Friday 25 August 1882
died: Friday 25 August 1882