Klemens Pierzchała (died September 1357) was

bishop of Płock A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...

in the years 1337–1357, as well as dean and provost of Płock. Before he was elected in 1333 by the cathedral chapter, he was the dean and provost of the Płock bishop. However, it was only around 1337 that the government in the diocese took over the preconfiguration. During his long reign, he cooperated closely with the

Mazovia Mazovia or Masovia ( pl, Mazowsze) is a historical region in mid-north-eastern Poland. It spans the North European Plain, roughly between Łódź and Białystok, with Warsaw being the unofficial capital and largest city. Throughout the centurie ...

n princes. He also enlarged the area of church property. Probably in 1339 he issued a location charter for Pułtusk. He was a witness in the Polish-Teutonic Warsaw treaty in 1339.Codex diplomaticus Regni Poloniae et Magni Ducatus Lituaniae, wydał Maciej Dogiel, vol. 4, (

Wilno Vilnius ( , ; see also #Etymology and other names, other names) is the capital and List of cities in Lithuania#Cities, largest city of Lithuania, with a population of 592,389 (according to the state register) or 625,107 (according to the munic ...

, 1764), p. 65.

References

Year of birth unknown 14th-century births 1357 deaths 14th-century Roman Catholic bishops in Poland 14th-century Polish nobility {{Poland-RC-bishop-stub