Child(ren):
Also known as Peter Kurzbach, Petrus Kordebog, Petrus Cordebog, etc.
On May 26, 1426, King Wladislaw II of Poland gave the town of Babimost, Poland, to his "most faithful and diligent servant and faithful knight," Petrus Cordebog. In that same year, Piotr was named Chamberlain of Poznan (responsible for royal lands, towns, and other possessions, as well as the administrator of the royal courts). He was also briefly excommunicated around that time, probably either for heresy (he was reputedly a Hussite, and the von Lazans had personal connections to Jan Hus) or for one of his many disputes with local church authorities, but his son Wincenty sued to have him reinstated in the Roman Catholic communion.
In 1410, Piotr and his brother Janusz participated in the Polish victory over the Teutonic Knights at Grunwald (Tannenberg). As an ambassador for Poland, he signed treaties of peace with the Holy Roman Empire in 1410 and the Teutonic Knights in 1436. He was praised in a July 26, 1422, letter from the Electors of the Holy Roman Empire to the King of Poland. He and his descendants owned a number of towns and villages around Gneizno and Poznan. He acquired Kiskowo in 1402 and Kamieniec in 1409.
Piotr was a member of the Silesian-Bohemian Seydlitz von Lazan family, arms Kurzbach. His father, Johann von Lazan, sold his Silesian lands and came to Poland around 1360, at the invitation of the Polish King. Many members of the family served the Silesian Duchy of Schweidnitz und Jauer, as members of the Duke's personal guard and in other capacities.
http://www.geni.com/people/Piotr-Korzbok-Peter-Kurzbach/6000000012850357203
The data shown has no sources.