Hildouin IV Count Of Montdidier Count Of Roucy

Hildouin IV Count Of Montdidier Count Of was born about 1021 in Montdidier, Somme, France.¹   Hildouin IV Count Of Montdidier Count Of's father was Hildouin III Count Of Montdider.  His paternal grandfather was Hildouin II Count Of Montdidier.  He was an only child.  He died in 1063.¹ 

‌Hildouin IV Count Of Montdidier Count Of and Alice were married in a religious ceremony in 1031.¹   They had a daughter named Margaret De Montdidier Countess Of.