- Born on December 6, 1865
- Deceased on March 29, 1961, at the age of 95 years
Parents
- Henry William John Byng (1831 - 1899), Earl of Strafford
- Henriette af Danneskiold Samsøe (1836 - 1880), Gräfin af Danneskiold Samsøe
Family
- Married on November 3, 1894, with Sidney James Agar (1865 - 1933), Earl of Normanton, issuing
- Georgiana (1896 - 1967)
- Alexandra (1897 - 1971)
- Caroline Amy Cora (1899 - 1989)
- Mary (1901 - 1975)
- Diana Julia (1904 - 1929)
- Amy Louise (1905 - 1983)
- Rosemary Beatrice (1908 - 1984)
Edward (1910 - 1967)