Martha Sitwell
British aristocrat and television personality
From Wikipedia, the free encyclopedia
Martha Sitwell, Lady Sitwell (née de Blank) is a British television personality, socialite, and former model. She is the former wife of Sir George Reresby Sacheverell Sitwell, 8th Baronet. In 2026, she joined the cast of the British reality television series Ladies of London.
model
Martha, Lady Sitwell | |
|---|---|
| Born | Martha de Blank |
| Occupations | television personality model |
| Spouse | Sir George Sitwell, 8th Baronet (divorced) |
| Children | 1 |
Early life and education
Lady Sitwell grew up in an affluent, well-connected family.[1] She is the second of three daughters of restaurateurs Justin de Blank and Melanie de Blank.[1][2] She was educated at boarding schools and at a girl's comprehensive school in London.[1] She had an older sister, Polly, who later died after struggling with bipolar disorder.[3]
She was raped by a family friend when she was eleven years old.[3] Upon being expelled from school as a teenager, her parents threw her out and she spent a period of that time homeless.[3]
Career
Lady Sitwell worked as a fashion stylist, designer, and make-up artist.[1] She was also a model for Vivienne Westwood.[1]
In 2026, she became a main cast member on the British reality television series Ladies of London.[4][5]
Personal life
She was married to the businessman and aristocrat Sir George Reresby Sacheverell Sitwell, 8th Baronet for a decade before they divorced in 2017.[1][4] During their marriage, she managed the Sitwell family seat, Weston Hall.[4] She was later in a relationship with Harry Primrose, Lord Dalmeny that ended in 2022, prior to his second marriage.[1][4]
She has one son, Conor, whom she gave birth to when she was seventeen years old.[1]
Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 2026 | Ladies of London | Herself | Main Cast |