II
Ivo I Count of Beaumont-sur-Oise
Vitals
Family
Children
About
Ivo the elder held Beaumont on the Oise.
Research notes
✓ ES: IVO I, Count of Beaumont-sur-Oise; father of Ivo II (our line). FRONTIER-ish above. Added 14 Sep 2026.
Ivo the elder held Beaumont on the Oise.
✓ ES: IVO I, Count of Beaumont-sur-Oise; father of Ivo II (our line). FRONTIER-ish above. Added 14 Sep 2026.