Jean de Beaumont-sur-Oise
- Deceased on March 13, 1223
Parents
- Mathieu de Beaumont-sur-Oise, comte de Beaumont-sur-Oise, grand chambrier de France sous Louis VII et Philippe Auguste
- Adèle de Luzarches, dame de Luzarches
Family
- Married with Gertrude de Nesle ( - 1220)