czonkowskich
Czonkowskich is the genitive plural form of the Polish surname Czonkowski (masculine), with Czonkowska as the feminine singular and Czonkowscy as the masculine plural nominative. In Polish, czonkowskich is used in contexts requiring the genitive case, such as when indicating possession or describing a group of people bearing the surname, for example "dom czonkowskich" (the house of the Czonkowskis) or "ojciec czonkowskich" (the father of the Czonkowskis).
Origin and characteristics: The surname Czonkowski is of Polish origin and follows the common -ski/-ska pattern,
Usage: The form czonkowskich appears in written Polish when referring to multiple people sharing the surname
Notable bearers: The name is relatively uncommon, and there are no widely recognized individuals universally identified