Person · 1988 CEPiotr GrzelczakAlso known asГжельчак, ПётрПетр ГжельчакПётр Гжельчакپيوتر جرزيلكزاكarchival plate · Piotr Grzelczak · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected toborn inŁódź1423 CE+ 3 further connections to entries not yet ingested