Rainier II, Lord of Monaco

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Rainier II, Lord of Monaco (1350–1407), was the monarch of Monaco from June 29, 1352 to August 15, 1357.^[1] He was the son of Charles I, Lord of Monaco, and Lucchina Spinola. He ruled jointly with his father, his father's uncle Antonio, Lord of Monaco and his brother Gabriele, Lord of Monaco. He yielded Monaco to the besieging Genoese for 20,000 fl. but retained Menton and Roquebrune.

He was Admiral of Languedoc and Seneschal of Piedmont.^[2] He fought with the French army in the Battle of Poitiers.^[1] France's terrible losses in that epic battle led to sweeping military reforms by King Charles V of France. Monaco's port benefited directly from these.^[1] While escorting convoys of French merchant ships in the English Channel, he was captured by John of Lancaster, 1st Duke of Bedford.^[1] John of Lancaster sold his noble prisoner to his King, Edward III of England.^[1]