Engelbert I of Nassau-Siegen

Lord of Breda, Count of Nassau-Siegen, Vianden and Diez (1370–1442)

Parents

• Margareta von der Mark
• John I of Nassau-Siegen

Children

• William of Nassau-Siegen
• Henry II of Nassau-Siegen
• Mary of Nassau-Siegen
• Margaret of Nassau-Siegen
• Philip of Nassau-Siegen
• John IV, Count of Nassau-Siegen

Siblings

• John III of Nassau-Siegen
• Henry of Nassau-Siegen
• Adolf of Nassau-Siegen
• John II of Nassau-Siegen
• Johann III von Nassau

Partners

• Johanna van Polanen