Guillaume I De Holland Ct De Holland
Birth date:
BET 1167 AND 1174
Birth place:
, , , Holland
 
Death date:
  4 FEB 1221/22
Death place:
  , , ,

Ct De Holland Family

Parents:
Father: Florent Iii Count of Holland
Mother: Ada
Spouse:
Spouse: Adelheid Von Guelders Cts De Geldern
 
Siblings:
William Brereton
William Brereton
Guillaume I De Holland Ct De Holland
William De Brereton
William De Brereton
Sybil De Brereton
Florent Iii Count of Holland
Sebilla Brereton
Dirk Vii of Holland
Agnes Countess of Holland
of Holland Floris
Robrecht Count of Holland
Marguerite De Courtenay
Mathilda (Mechtildis) Van Holland
Mathew De Holland
Beatrix Countess of Holland
William Iii de Brereton
William De Brereton
Sabilla Brereton
Children:
Irmgard von Geldern
Gerard III Von Geldern Ct de Geldern
Floris IV De Holland Ct de Holland