RI
Reginar III of Hainaut
Vitals
Died
971
Family
Parents
Children
About
Reginar Long-Neck's grandson lost Hainaut in rebellion and died in exile; his sons came back with swords and won Louvain.
Research notes
✓ REGINAR III, Count of HAINAUT (c.920-exiled, d. c.971); father of Lambert I of Louvain (our line). Wife Adela, note-only. Standard well-documented medieval royal/comital genealogy per the cited authorities (web-confirmed 7 Aug 2026); contested rungs note-only, not hardened.