Regnier IV, Count of Hainault

Regnier was born about 0950.¹   Regnier's father was Regnier III, Count of Hainaut and his mother was Adele.  His paternal grandparents were Regnier II, Count of Hainault and Adelaide; his maternal grandfather was Lambert , Count of Louvain. He had a brother named Lambert. He had a half-brother named IV.  He died in 1013.¹ 

They had a daughter named Beatrix.