Apostolskich
Apostolskich is a form of the Polish adjective apostolski, meaning “apostolic” or “of the apostles.” It is not a standalone noun, but a grammatical form used within phrases to indicate association or attribution. In Polish, adjectives agree with the nouns they modify in gender, number, and case. The ending -skich marks the genitive plural, typically used when the noun being described is in the genitive case or when the phrase names a belonging or affiliation.
The form Apostolskich appears in contexts such as proper names, family names used in a genitive sense,
Etymologically, apostolski derives from apostolos, the Greek term for “apostle,” via Latin and Polish linguistic development.