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