Jan Karel Hendrik de Roo van Alderwerelt politician (1832-1878) (1832–1878) Parents Joan Carel Anne de Roo van Alderwerelt Carolina Maria Elandina Heeneman Children Charles François de Roo van Alderwerelt Joan Karel Hendrik de Roo van Alderwerelt Siblings Constance Wilhelmine Henriëtte de Roo van Alderwerelt
