Willem I, Count of HOLLAND
He married Aleid Van Guelders, Countess of Holland 1198 . Aleid Van Guelders, Countess of Holland was born at of Zutphen, Gelderland, Netherlands Abt 1187 daughter of Otto I, Count of Guelders and Richardis, Princess of Bavaria, Countess of Guelders .
They were the parents of 5
children:
Ada, Countess of Holland, Nun at Rijnsburg
born Abt 1202.
Richardis, Countess of Holland
born Abt 1203.
Willem, Count of Holland
born Abt 1206.
Otto, Count of Holland, Bishop of Utrecht
born Abt 1208.
Floris IV, Count of Holland
born 24 Jun 1210.
Willem I, Count of Holland died 4 Feb 1222 .
Aleid Van Guelders, Countess of Holland died 4 Feb 1218 .