Richelieu

Armand Jean Du Plessis, Cardinal et Duc de Richelieu (9th September 1585 – 4th December 1642) was a French clergyman, noble and statesman. The Fourth Doctor and Sarah Jane Smith encounter a Reprise of Richelieu in Europa. (MA: Managra)

Biography
Consecrated as a bishop in 1607, he later entered politics, becoming a Secretary of State in 1616. Richelieu soon rose in both the Church and the state, becoming a cardinal in 1622, and King Louis XIII's chief minister in 1624. He remained in office until his death in 1642; he was succeeded by Jules Cardinal Mazarin.