Person · 11th c. CE – 11th c. CESieciechAlso known asPalatyn SieciechWojewoda SieciechΣιέτσιεχСецехСецех (пфальц-граф)希切赫archival plate · Sieciech · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to4 links to entries not yet ingested in the Library.