He was able clearly examine his personal background, his ability to devote himself to the Jeju region by checking the characteristics of his hometown and his general history revealed in his genealogical records. This reflection was made through communication with Bishop René Dupong(September 2, 1929~now) of the same missionary group who arrived in Korea two years after father Emile Taquet, both were members of the Paris Foreign Missionary Church. Recently, Bishop René Dupong visited Paris in person. However, due to the ageing population of librarians at the Paris Foreign Missionary Church, data was not available. But on the way out of Paris, his nephew, who was studying history, made him search for the genealogy.