John I, Duke of Brittany

1217–1286

French duke

Born in Dreux

Contemporaries

People who walked the earth at the same time as John I, Duke of Brittany:

• Dante Alighieri (1265–1321)
• Marco Polo (1254–1324)
• Thomas Aquinas (1225–1274)
• Rumi (1207–1273)
• Fibonacci (1170–1240)
• Saadi (1210–1292)
• Kublai Khan (1215–1294)
• Osman I (1258–1326)

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