Who was alive in 1172?

11 of the people we track were surely alive in 1172. The best known are listed first, with the age each reached that year.

1. Genghis Khan10
2. Saladin33–34
3. Averroes46
4. Zhu Xi42
5. Hildegard of Bingen71–76
6. Richard I of England15
7. Moshe ben Maimon34–37
8. Frederick Barbarossa49–50
9. Innocent III2–12
10. John, King of England6
11. Nizami Ganjavi28–33