Tatiana Radziwiłł

Princess Tatiana Radziwiłł
Radziwiłł at the Royal Palace of Bucharest in 2017
Full name
Tatiana Maria Renata Eugenia Elisabeth Margarete Radziwiłł na Nieświeżu h. Trąby
Born(1939-08-28)28 August 1939
Rouen, France
Died19 December 2025(2025-12-19) (aged 86)
Paris, France
BuriedDuino Castle, Friuli-Venezia Giulia, Italy
FamilyRadziwiłł
Spouse
Jean Henri Fruchaud
(m. 1966)
IssueFabiola Fruchaud
Alexis Fruchaud
FatherPrince Dominik Rainer Radziwiłł
MotherPrincess Eugénie of Greece and Denmark
Occupationnurse, bacteriologist

Princess Tatiana Maria Renata Eugenia Elisabeth Margarete Radziwiłł (28 August 1939 – 19 December 2025) was a French-Polish aristocrat, bacteriologist and nurse.

The eldest daughter of Prince Dominik Rainer Radziwiłł and Princess Eugénie of Greece and Denmark, she was a member of the House of Radziwiłł and a close relative to the Greek, Romanian, Spanish, Danish, British, and Serbian royal families and the former imperial families of Austria, France, and Russia.

Radziwiłł served as a bridesmaid at the Wedding of Prince Juan Carlos of Spain and Princess Sophia of Greece and Denmark in 1962 and at the wedding of Constantine II of Greece and Princess Anne-Marie of Denmark in 1964. She remained a close friend and courtier of her second cousin, Queen Sofía of Spain.