Biography
Adelaide Harriet Augusta Hay was born 18 October 1821 to William George Hay, 18th Earl of Erroll (1801-1846) and Elizabeth FitzClarence (1801-1856) and died 22 October 1867 Exton, Rutland, England, United Kingdom of unspecified causes. She married Charles George Noel, 2nd Earl of Gainsborough (1818-1881) 1 November 1841 .
Children
| Name | Birth | Death | Joined with |
| Blanche Elizabeth Mary Annunciata Noel (1845-1881) | |||
| Constance Julia Eleanor Georgiana Noel (1847-1891) | |||
| Edith Horatia Emma Frances Noel (1849-1890) | |||
| Charles William Francis Noel, 3rd Earl of Gainsborough (1850-1926) | 20 October 1850 | 17 April 1926 | Augusta Mary Catherine Berkeley (1852-1877) Mary Elizabeth Dease (c1858-1937) |
| Edward Noel (1852-1917) | |||
Footnotes (including sources)
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