Princess Stéphanie Windisch-Graetz (17 July 1939 – 12 July 2019) was the daughter of Prince Franz Joseph zu Windisch-Graetz and granddaughter of Archduchess Elisabeth Marie of Austria. Archduchess Elisabeth was the daughter of Rudolf, Crown Prince of Austria and granddaughter of Emperor Franz Joseph I of Austria.

She became an artist, known for her photographic portraits using only candles as a source of light, and for her sensual images from the animal world. She married Dermot Blundell-Hollinshead-Blundell (1935–2009), grandson of British army officer Dermot Blundell. They were the parents of Henry Victor William Blundell-Hollinshead-Blundell (born 1967) and Alexander Otto Blundell-Hollinshead-Blundell (born 1969) who adopted the surname of his mother in 2011. She had one younger brother, Prince Guillaume Franz Josef Maria Windisch-Graetz (born 1950; unmarried). She died in a hospital in Woluwe-Saint-Lambert on 12 July 2019 due to complications after a heart operation.Stéphanie de Windisch-Graetz, de prinses die koningin der Belgen had kunnen zijn, maar eindigde in een appartementje met een minimumloon

Following male preference primogeniture, she is one possible claimant to the Byzantine Empire through her paternal grandmother.

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