- Two-headed child (Osterberger 1581)
- Two-headed child born in Pobethen in 1581. In Joachim Cimdarsus, Elegia De Pvero Bifronte Qvi In Pago Poweten ... natus est ..., Königsberg: Georg Osterberger (printer), 15 April 1581 - 31 December 1581 (Wolfenbüttel, HAB) ◼
- Two-headed child born in Pobethen in 1581. In Von einer Warhafftigen doch erschrecklichen vnd nicht bald erhoerten Misgeburt, Königsberg: Georg Osterberger (printer attr.), 1581 (Nuremberg, GNM) ◼