Billionaire heiress Tatiana Santo Domingo with her four-year-old daughter India Casiraghi. Photo: Instagram/grimaldicasiraghi

Meet Monaco’s richest citizen – whose husband is Grace Kelly’s grandson and fourth-in-line to the throne

Tatiana Santo Domingo is married to Andrea Casiraghi, nephew of Monaco’s reigning monarch, Prince Albert, and the grandson of American actress-turned-royal Grace Kelly

Topic |   Millionaires and Billionaires

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Billionaire heiress Tatiana Santo Domingo with her four-year-old daughter India Casiraghi. Photo: Instagram/grimaldicasiraghi
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