John V of Nassau-Siegen Count of Nassau-Siegen and Diez, Stadtholder of Guelders and Zutphen (1455–1516) (1455–1516) Parents Mary of Looz-Heinsberg John IV, Count of Nassau-Siegen Children William I, Count of Nassau-Siegen Elisabeth of Nassau-Siegen Mary of Nassau-Siegen Ernest of Nassau-Siegen John of Nassau-Siegen Henry III of Nassau-Breda Siblings Engelbert II of Nassau Ottilie of Nassau-Siegen Anne of Nassau-Siegen Adriana of Nassau-Siegen Joanne of Nassau-Siegen Adriaan van Nassau Jan van Nassau Partners Elisabeth of Hesse-Marburg