Frances Anne Vane, Marchioness of Londonderry (17 January 1800 – 20 January 1865) was a wealthy English heiress and noblewoman. She was the daughter of Sir Henry Vane-Tempest, 2nd Baronet and the second wife of Charles Vane, 3rd Marquess of Londonderry. Through her daughter, Lady Frances Vane, wife of John Churchill, 7th Duke of Marlborough, she was the great-grandmother of Sir Winston Churchill

Winston Churchill

Sir Winston Leonard Spencer-Churchill, was a predominantly Conservative British politician and statesman known for his leadership of the United Kingdom during the Second World War. He is widely regarded as one of the greatest wartime leaders of the century and served as Prime Minister twice...

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Basic Information

Frances Anne inherited extensive lands from her father in north east England. Her mother was Anne MacDonnell, 2nd Countess of Antrim. With her husband, she developed an extensive coal mining operation that included coal mines, a railroad, and docks at Seaham..
She became an object of affection for the Tsar Alexander I of Russia

Alexander I of Russia

Alexander I of Russia , served as Emperor of Russia from 23 March 1801 to 1 December 1825 and the first Russian King of Poland from 1815 to 1825. He was also the first Russian Grand Duke of Finland and Lithuania....

 after he saw her portrait.

She sought to promote her eldest son's political career and was a patron of Benjamin Disraeli.