{{short description|British aristocrat and television personality}} {{Use dmy dates |date=March 2026}} {{Infobox person |name = Martha, Lady Sitwell |birth_name = Martha de Blank |image = |image_size = |caption = |birth_date = |birth_place = |spouse = Sir George Sitwell, 8th Baronet (divorced) |parents = |children = 1 |occupation = television personality<br/>model |relatives = |family = }} '''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''.
== Early life and education == Lady Sitwell grew up in an affluent, well-connected family.<ref name= thetimes/> She is the second of three daughters of restaurateurs Justin de Blank and Melanie de Blank.<ref name= thetimes/><ref>{{cite web |last= Sitwell|first= Martha|date= 19 May 2025|title= ‘Die … I want to die now,’ my mother wrote|url= https://www.thetimes.com/life-style/celebrity/article/martha-sitwell-melanie-de-blank-julian-palliative-care-0bwhxvqcw|website= The Times|location= London, England|publisher= |access-date= 8 March 2026}}</ref> She was educated at boarding schools and at a girl's comprehensive school in London.<ref name= thetimes/> She had an older sister, Polly, who later died after struggling with bipolar disorder.<ref name= thetimes2/>
She was raped by a family friend when she was eleven years old.<ref name= thetimes2/> Upon being expelled from school as a teenager, her parents threw her out and she spent a period of that time homeless.<ref name= thetimes2>{{cite web |last= Sitwell|first=Martha |date= 8 April 2024|title= I slept rough as a teenager: I was stepped over, spat on — and raped|url= https://www.thetimes.com/life-style/health-fitness/article/martha-sitwell-vivienne-westwood-fx3pjhfdd|website= The Times|location= London, England|publisher= |access-date= 8 March 2026}}</ref>
== Career == Lady Sitwell worked as a fashion stylist, designer, and make-up artist.<ref name= thetimes>{{cite web |last= Smith|first= Julia Llewellyn |date= March 5, 2026|title= ‘I smoked crack only once — in a men’s toilet in Leicester Square’|url= https://www.thetimes.com/life-style/celebrity/article/martha-sitwell-ladies-of-london-interview-pg72ghzq3?gaa_at=eafs&gaa_n=AWEtsqegj_L7YZxepUPH2CcMMajfnkWpa97FGNuCReFP6f1JNfJcPGrm0X5j6xfLPls%3D&gaa_ts=69adb077&gaa_sig=vvXQlJie6AGjTqoNbHJfI5W7cZEffj6AbfsJ_2x69JQkg0O2vptk8dE9E-YhhOFxF2vMdtrD7dIygn8M0acnOQ%3D%3D|website= The Times|location= London, England|publisher= |access-date= 8 March 2026}}</ref> She was also a model for Vivienne Westwood.<ref name= thetimes/>
In 2026, she became a main cast member on the British reality television series ''Ladies of London''.<ref name= tatler>[https://www.tatler.com/gallery/who-are-the-ladies-of-london Are the Ladies of London really high society? Meet the cast of the new series – from Martha Sitwell to an oh-so controversial actress]</ref><ref>{{cite web |last= Veloso|first= Leo|date= 5 March 2026|title= You Won’t Believe Which Ladies of London Cast Member Has the Highest Net Worth...|url= https://www.yahoo.com/entertainment/celebrity/articles/won-t-believe-ladies-london-010000454.html?guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&guce_referrer_sig=AQAAADe4AUBwNdSDumDBeuZLportrLYgUIdtMhQXDEf2KqnmquSnY-ODReJco47WIpFQjpnYhtIkStXhkxT5EimmZmRAeMnXeH0gQbbGwAHKA4v2TECJjBSJUg_Fuiv_3ygeiDF_j2w5HgjK30gNxe5g_ZdQO0VqA6INRpTcbCLvWLNQ|website= Yahoo!|location= |publisher= |access-date= 8 March 2026}}</ref>
== 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.<ref name= thetimes/><ref name= tatler/> During their marriage, she managed the Sitwell family seat, Weston Hall.<ref name= tatler/> She was later in a relationship with Harry Primrose, Lord Dalmeny that ended in 2022, prior to his second marriage.<ref name= thetimes/><ref name= tatler/>
She has one son, Conor, whom she gave birth to when she was seventeen years old.<ref name= thetimes/>
== Filmography == {| class="wikitable plainrowheaders" |- |+Martha Switwell's television work !scope="col"| Year !scope="col"| Title !scope="col"| Role !scope="col"| Notes |- | 2026 !scope="row"| ''Ladies of London'' | Herself | Main Cast |- |}
== References == {{Reflist}}
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{{DEFAULTSORT:Sitwell, Martha}} Category:Year of birth missing (living people) Category:Place of birth missing (living people) Category:20th-century births Category:Living people Category:20th-century English women Category:21st-century English women Category:English female models Category:English socialites Category:English women television personalities Category:Participants in British reality television series Category:People from West Northamptonshire District Martha Category:Television personalities from London Category:Wives of baronets