He was born in 1562 in Dobrzyń, the son of Paweł Kryski z Kryska and Anna Srzenska and brother to Wojciech Kryski.
On November 30, Deputy Minister of Agriculture Andrzej Kacala met with a group of 30 representatives of farmers' unions founding committees from the Warsaw, Lublin, Siedlce, Skierniewice, and Wałbrzych Voivodeships, as well as from the Września–Konin, Golub-Dobrzyń–Kujawy, and the Holy Cross Mountains regions.
Dobrzyń | Dobrzyń Land | Dobrzyń nad Wisłą | Wielgie, Golub-Dobrzyń County | Szczutowo, Golub-Dobrzyń County | Świętosław, Golub-Dobrzyń County | Łukaszewo, Golub-Dobrzyń County | Lipienica, Golub-Dobrzyń County | Kiełpiny, Golub-Dobrzyń County | Karczewo, Golub-Dobrzyń County | Jakubkowo, Golub-Dobrzyń County | Golub-Dobrzyń | Frydrychowo, Golub-Dobrzyń County | Dylewo, Golub-Dobrzyń County |
After grandfather's death in 1370, young Casimir initially became his partial successor, as the last will gave him lands of Dobrzyń, Bydgoszcz, Kruszwica, Złotów and Wałcz as fiefs.
While the western part of the voivodeship had already been annexed by Prussia in the course of the First Partition of Poland in 1772, Dobrzyń Land on the eastern banks of the Vistula was incorporated into South Prussia during the Second Partition in 1793.
Gmina Przewóz contains the villages and settlements of Bucze, Dąbrowa Łużycka, Dobrochów, Dobrzyń, Jamno, Lipna, Mała Lipna, Mielno, Piotrów, Potok, Przewóz, Sanice, Sobolice, Straszów and Włochów.
The Dobrzyn Land was divided into three counties (Dobrzyń, Rypin, Lipno), and had its own sejmiks at Lipno.
The final treaty was signed in Raciąż and addressed some of the territories disputed between Poland, Lithuania and the Order: the Dobrzyń Land was to return to Poland for a fee, Samogitia was to remain with the Order, and the discussion regarding the Gdańsk (Danzig) region was inconclusive.