Ralph I was the count of Vermandois from 1102 to 1152. He was a son of Count Hugh and Countess Adelaide. Ralph was a grandson of King Henry I of France on his father's side and of Herbert IV of Vermandois on his mother's.
- Occupation
- aristocrat
- Position held
- Count of Amiens, Sénéchal de France, regent, count of Valois
- Citizenship
- Kingdom of France
- Born
- 1085, 1094
- Died
- October 14, 1152, October 13, 1152
