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| Religious, priest and martyr | |
| Born | 29 August 1534 Gorkum, County of Holland, Holy Roman Empire |
| Died | 9 July 1572 (aged 37) Brielle, County of Holland |
| Venerated in | Roman Catholic Church (Order of Friars Minor) |
| Beatified | 24 November 1675, Rome, Papal States by Pope Clement X |
| Canonized | 29 June 1867, Rome, Papal States by Pope Pius IX |
| Major shrine | Brielle, South Holland, Netherlands |
| Feast | 9 July |
| Attributes | Franciscan habit |
Nicholas Pieck, O.F.M., "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 in 1572.