In 1242
Prussia was sectioned into four bishoprics under the archbishop of
Riga Livonia by the
papal legate [William of Modena]
?. The four parts were called
Culmer Land (Kulmer Land, Kulmerland,
Pomesania(Pomesanien),
Ermeland or
Warmia (German Ermland) and
Samland (Latin Sambia). Culm (Kulm) and
Thorn at the
Vistula river and north of the Drewenz river were at the border to
Masovia.
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