Leon-Jean-Marie De Smedt (Chinese: 石德懋; pinyin: Shí Démào; 3 December 1881 – 16 November 1951) was a Belgian Catholic priest, missionary, and Bishop of the Roman Catholic Diocese of Xiwanzi between 1931 and 1951.
[1] Leon-Jean-Marie De Smedt was born in Sint-Niklaas, Flemish Region, Belgium, on 3 December 1881.
On 14 December 1931, Pope Pius XI appointed him Bishop of the Roman Catholic Diocese of Xiwanzi, succeeding Everard Ter Laak.
After the outbreak of the Pacific War, Leon-Jean-Marie De Smedt and other Belgian missionaries were detained by the Imperial Japanese Army in both Weixian Internment Camp and Beiping Internment Camp, until they were released in 1945.
On 24 May 1951, Leon-Jean-Marie De Smedt held a consecration ceremony for Assistant Bishop Melchior Zhang Kexing.