| Lady Blennerhassett | |
| Birth Name: | Countess Charlotte Julia von Leyden |
| Birth Date: | 19 February 1843 |
| Birth Place: | Munich |
| Death Date: | 11 February 1917 |
| Death Place: | Munich |
| Occupation: | writer |
| Nationality: | German |
| Spouse: | Sir Rowland Blennerhassett, 4th Baronet |
| Children: | 2 (including Marie, Lady Galway) |
| Genre: | non-fiction |
Charlotte Julia, Lady Blennerhassett (née Countess Julia von Leyden; 19 February 1843 – 11 February 1917) was a German writer and biographer.
Countess Charlotte Julia von Leyden was born in Munich in 1843. She met Sir Rowland Blennerhassett, 4th Baronet in 1870 and married him on 9 June of the same year. The new Lady Blennerhassett took to writing, and her most noted work was a biography of Madame de Staël.[1] This was published in Germany in three volumes. After this she wrote a number of other biographies including one of Mary, Queen of Scots,[2] and two chapters for Volume X of The Cambridge Modern History, published in 1907.
Her children included Sir Arthur Charles Francis Bernard Blennerhassett, 5th Baronet, and Marie Galway.
Blennerhassett died in Munich in 1917.