You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Szlachta

Context:
In the Kingdom of Poland and later in the Polish-Lithuanian Commonwealth, ennoblement (nobilitacja) may be equated with an individual given legal status as a szlachta (member of the Polish nobility). Initially, this privilege could be granted by monarch, but from the 1641 onward, this right was reserved for the sejm. Most often the individual being ennobled would join an existing noble szlachta clan and assume the undifferentiated coat of arms of that clan.

Question:
Before 1641 the privileged ennoblement was granted by what?

by monarch