Mechtild van Loon en Chiny Vrouwe van Vogelsanck (1280-1313) (1280–1313) Parents Arnold V, Count of Loon Margaretha von Sponheim-Vianden Children Johann I, Count of Sponheim Lord of Dalenbroek Theoderic of Heinsberg Siblings Louis IV of Loon Maria van Loon en Chiny Partners Gottfried I