Rainer III Count of Hainault

Rainer III Count of was born in 0892.  Rainer III Count of's father was Regnier II Hainault Count of Hainault and his mother was Adelaide of Burgundy.  His paternal grandparents were Rainer I Hainaut Duke Of Lorraine and Hersent Duchess Of Lorraine; his maternal grandparents were Richard "The Justiciar" Duke of Burgundy and Adelaide of Burgundy. He had a brother named Gilbert Duke Of.  He was the younger of the two children.  He died at the age of 79 in 0971.

They had two sons named Lambert I Count of Barbant & and Rainer IV Count of.