Children |
| 1. Lady Louisa Elizabeth PERCY, b. 7 Nov 1869 d. 29 Nov 1893 (Age 24 years) |
| 2. Lady Edith Eleanor PERCY, b. 7 Nov 1869 d. 2 Apr 1937 (Age 67 years) |
| 3. Earl Percy Henry Algernon George PERCY, b. 21 Jan 1871, Grosvenor Square, Mayfair, London, England d. 30 Dec 1909, Paris, France (Age 38 years) |
| 4. Lady Margaret PERCY, b. 30 Aug 1873 d. 29 Jan 1934 (Age 60 years) |
| 5. Lady Victoria Alexaandra PERCY, b. 12 Feb 1875 d. 18 Jan 1958 (Age 82 years) |
| 6. Hon. Josceline PERCY, b. 26 Jan 1876 d. 31 Jan 1898 (Age 22 years) |
| 7. Hon. Ralph William PERCY, b. 9 Mar 1877 d. 28 Mar 1889 (Age 12 years) |
| 8. Lady Mary PERCY, b. 30 Aug 1878 d. 18 Mar 1965 (Age 86 years) |
| 9. Alan Ian PERCY, 8th Duke of Northumberland, b. 17 Apr 1880, London, England d. 23 Aug 1930, London, England (Age 50 years) |
| 10. Lord William Richard PERCY, b. 17 May 1882, Grosvenor Square, Mayfair, Westminster, London, England d. 8 Feb 1963, at home, Horstead, Norfolk, England (Age 80 years) |
| 11. Lord James PERCY, b. 6 Jan 1885 d. 20 May 1903 (Age 18 years) |
| 12. Eustace Sutherland Campell PERCY, 1st Baron Percy of Newcastle, b. 21 Mar 1887 d. 3 Apr 1958 (Age 71 years) |
| 13. Lady Muriel Evelyn Nora PERCY, b. 14 Jul 1890 d. 23 Nov 1956 (Age 66 years) |
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