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Several members of the French Poincaré family have been successful in public and scientific life:
- physicist and mathematician Jules Henri Poincaré
- Nicolas Antoinin Hélène Poincaré, civil servant and meteorologist
- statesman Raymond Poincaré, who served two terms as Prime Minister of France and two as its President
- Lucien Poincaré, physicist and Inspector-General of Public Instruction