Mary of Looz-Heinsberg

Dutch countess (1424–1502)

Parents

• Anna von Solms-Braunfels
• John II of Loon

Children

• Adriana of Nassau-Siegen
• Anne of Nassau-Siegen
• Joanne of Nassau-Siegen
• Engelbert II of Nassau
• Ottilie of Nassau-Siegen
• John V of Nassau-Siegen

Siblings

• Johann III Herr von Heinsberg
• John of Heinsberg
• Jacoba of Loon-Heinsberg

Partners

• John IV, Count of Nassau-Siegen