Tatiana Radziwiłł French-Polish princess, bacteriologist and nurse (1939–2025) Parents Princess Eugénie of Greece and Denmark Prince Dominik Rainer Radziwiłł Children Alexis Fruchaud Fabiola Fruchaud Siblings Prince Carlo Alessandro, 3rd Duke of Castel Duino Prince Jerzy Radziwiłł Princess Ludowika Radziwill Princess Lida Radziwill Princess Maria Renata Radziwill Partners Jean Henri Fruchaud
