Franciszek Lacki or Franciszek Lanczki (1562–1617) was a Roman Catholic prelate who served as Auxiliary Bishop of Włocławek (1597–1617) and Titular Bishop of Margarita (1597–1617).
[3] On 15 September 1597, he was appointed during the papacy of Pope Clement VIII as Auxiliary Bishop of Włocławek and Titular Bishop of Margarita.
[1][2][3] On 24 August 1598, he was consecrated bishop by Stanisław Rozrażewski, Bishop of Włocławek, with Jan Gniasdowski, Titular Bishop of Teodosia, and Jan Zamoyski (bishop), Titular Bishop of Philippi, serving as co-consecrators.
[3] He served as Auxiliary Bishop of Włocławek until his death on 19 January 1617.
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