John I (Jean) (d. 1278 or 1279), Count of Looz and Count of Chiny, eldest son of Arnold IV, Count of Looz and Chiny, and Jeanne, Countess of Chiny. He succeeded his father in 1272 or 1273, as the Count of Looz and Chiny. Virtually nothing is known about his reign.
- Occupation
- aristocrat
- Born
- 1225
- Died
- January 19, 1278, 1279