Aleidis Countess der Holland

Aleidis Countess der was born about 1235.  Aleidis Countess der's father was Floris IV Count der Holland and her mother was Matilda de Brabant.  Her paternal grandfather was William I Count der Holland; her maternal grandparents were Henry I de Brabant , Duke of Brabant & Louvaine and Matilda de Boulogne. She had a brother named Holy Roman Emperor, Count of Holland.  She was the younger of the two children.  She died in 1284.

They had a son named John II.