Complex sentence: The attention turned to Kőbánya because of a beer made by a brewer master from Pest who studied in Munich, by the name of Peter Schmidt, who stored beer in his rock cellar in Kőbánya.
Split into simpler sentences: The attention turned to Kőbánya because of a beer made by Peter Schmidt, a brewer master from Pest who studied in Munich. Schmidt stored beer in his rock cellar in Kőbánya.