Diana Denyse (Countess of Erroll) Hay
1. Diana Denyse (Countess of Erroll) Hay Diana married Sir Ian K (11th Bt of that Ilk) Moncreiffe [Group Sheet] [Family Chart]
Children:
2. Josslyn Victor (22nd Earl of Erroll) Hay was born on 11 May 1901 (son of Victor Alexander Sereld (21st Earl of Erroll) Hay and Mary Lucy Victoria Mackenzie); died on 24 Jan 1941 in Murdered Near Nairobi. Josslyn married Idina (Myra) (of De La Warr) Sackville on 22 Sep 1923. Idina (daughter of Gilbert (8Th Earl De La Warr) Sackville and Muriel Agnes Brassey) was born on 26 Feb 1893; died on 5 Nov 1955. [Group Sheet] [Family Chart]
3. Idina (Myra) (of De La Warr) Sackville was born on 26 Feb 1893 (daughter of Gilbert (8Th Earl De La Warr) Sackville and Muriel Agnes Brassey); died on 5 Nov 1955. Children:
Generation: 3
4. Victor Alexander Sereld (21st Earl of Erroll) Hay was born on 19 Oct 1876 (son of Charles Gore (20th Earl of Erroll) Hay and Mary Caroline L'estrange); died on 20 Feb 1928. Victor married Mary Lucy Victoria Mackenzie on 22 May 1900. Mary (daughter of Sir Allan R (2nd Bt of Glen Muick) Mackenzie and Lucy Eleanor Davidson) died on 18 Jan 1957. [Group Sheet] [Family Chart]
5. Mary Lucy Victoria Mackenzie (daughter of Sir Allan R (2nd Bt of Glen Muick) Mackenzie and Lucy Eleanor Davidson); died on 18 Jan 1957. Children:
- 2. Josslyn Victor (22nd Earl of Erroll) Hay was born on 11 May 1901; died on 24 Jan 1941 in Murdered Near Nairobi.
- Gilbert Alan (6th Baron Kilmarnock) Boyd (Previously Hay) was born on 15 Jan 1903; died on 15 Mar 1975.
6. Gilbert (8Th Earl De La Warr) Sackville was born on 22 Mar 1869 (son of Reginald (7Th Earl De La Warr) Sackville-West and Constance Mary Elizabeth Cochrane-Baillie); died on 19 Dec 1915. Gilbert married Muriel Agnes Brassey on 4 Aug 1891. Muriel (daughter of Thomas (1st Earl of Brassey) Brassey and Anna Allnutt) died on 8 Aug 1930. [Group Sheet] [Family Chart]
7. Muriel Agnes Brassey (daughter of Thomas (1st Earl of Brassey) Brassey and Anna Allnutt); died on 8 Aug 1930. Children:
- 3. Idina (Myra) (of De La Warr) Sackville was born on 26 Feb 1893; died on 5 Nov 1955.
- Avice Ela Murial (of De La Warr) Sackville was born on 25 Jul 1897; and died.
- Herbrand E D B (9Th Earl De La Warr) Sackville was born on 20 Jun 1900; died on 28 Jan 1976.
Generation: 4
8. Charles Gore (20th Earl of Erroll) Hay was born on 7 Feb 1852 (son of William Harry (19th Earl of Erroll) Hay and Eliza Amelia Gore); died on 8 Jul 1929. Charles married Mary Caroline L'estrange on 11 Aug 1875. Mary (daughter of Edmund L'estrange and Henrietta Susan (of Scarsbrough) Lumley) died on 12 Oct 1934. [Group Sheet] [Family Chart]
9. Mary Caroline L'estrange (daughter of Edmund L'estrange and Henrietta Susan (of Scarsbrough) Lumley); died on 12 Oct 1934. Children:
- 4. Victor Alexander Sereld (21st Earl of Erroll) Hay was born on 19 Oct 1876; died on 20 Feb 1928.
10. Sir Allan R (2nd Bt of Glen Muick) Mackenzie was born on 29 Mar 1850 (son of Sir James T (1st Bt of Glen Muick) Mackenzie and Mary Russell); died on 19 Aug 1909. Allan married Lucy Eleanor Davidson on 2 Jul 1874. Lucy (daughter of Duncan (of Tulloch) Davidson) died on 20 Apr 1926. [Group Sheet] [Family Chart]
11. Lucy Eleanor Davidson (daughter of Duncan (of Tulloch) Davidson); died on 20 Apr 1926. Children:
- 5. Mary Lucy Victoria Mackenzie died on 18 Jan 1957.
- Allan James Reginald Mackenzie was born on 26 May 1880; and died.
- Sir Victor A (3rd Bt of Glen Muick) Mackenzie was born on 15 Dec 1882; and died.
12. Reginald (7Th Earl De La Warr) Sackville-West was born on 21 Feb 1817 (son of George (5th Earl De La Warr) Sackville-West and Elizabeth (Baroness Buckhurst) Sackville); died on 15 Jan 1896. Reginald married Constance Mary Elizabeth Cochrane-Baillie on 7 Feb 1867. Constance (daughter of Alexander (1st Baron Lamington) Cochrane-Baillie and Annabella (of Cadlands) Drummond) died on 19 Jul 1929. [Group Sheet] [Family Chart]
13. Constance Mary Elizabeth Cochrane-Baillie (daughter of Alexander (1st Baron Lamington) Cochrane-Baillie and Annabella (of Cadlands) Drummond); died on 19 Jul 1929. Children:
- 6. Gilbert (8Th Earl De La Warr) Sackville was born on 22 Mar 1869; died on 19 Dec 1915.
14. Thomas (1st Earl of Brassey) Brassey was born on 11 Feb 1836; died on 23 Feb 1918. Thomas married Anna Allnutt on 9 Oct 1860. Anna (daughter of John Allnutt) and died. [Group Sheet] [Family Chart]
15. Anna Allnutt (daughter of John Allnutt); and died. Children:
- 7. Muriel Agnes Brassey died on 8 Aug 1930.
- Thomas (2nd Earl of Brassey) Brassey was born on 7 Mar 1863; and died.