Richelieu

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biographical name

Ri·​che·​lieu ˈri-shə-ˌlü 

-shəl-ˌyü;

rē-shə-ˈlyœ

Duc de 1585–1642 Armand-Jean du Plessis French cardinal and statesman

Richelieu

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geographical name

Rich·​e·​lieu ˈri-shə-ˌlü 

rē-shəl-ˈyœ

river 210 miles (338 kilometers) long in southern Quebec, Canada, flowing north from Lake Champlain to the head of Lake Saint Peter in the Saint Lawrence River