Nicholas Pieck, O.F.M., (†1572) "Nicolaas" or "Claes Pieck" in Dutch, was a Franciscan friar who was one of a group of Catholic clergy and lay brothers, the Martyrs of Gorkum, who were executed for refusal to renounce their faith. Nicholas and his companions were beatified by Clement X in 1675, and canonized by Pius IX in 1867. For many years the place of their martyrdom in Brielle has been the scene of numerous pilgrimages and processions. His Feast day is commemorated on 9 July.
Josaphat Kuntsevych, O.S.B.M., († 1623) (Язафат Кунцэвіч, Jazafat Kuncevič, Jozafat Kuncewicz, Juozapatas Kuncevičius, Йосафат Кунцевич, Josafat Kuntsevych) was a Polish-Lithuanian monk and archbishop of the Ruthenian Uniate Church, who on 12 November 1623 was killed by angry mob in Vitebsk, in the Polish-Lithuanian Commonwealth (now in Belarus). He is "the best-known victim" of anti-Catholic violence related to implementing the Union of Brest, and is declared a martyr and saint of the Catholic Church. His feast day is celebrated on November 12 and he is a Holy Patron of Ukraine.