Willem van Loon Dutch politician and art collector 1794–1847 (1794–1847) Parents Jan Willem van Loon Children Agatha Johanna Loon Henriette Agnes Insinger-Van Loon Caroline Wilhelmina van Loon Hendrik Maurits Jacobus van Loon Jan Willem van Loon Agnes Henriette Beels van Heemstede-Van Loon Siblings Agnes Henriëtte van Loon Pieter van Loon Partners Annewies van Winter
