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Dictionary of Medieval Names
from European Sources

Ratibor m. Slavic rati, raci 'defender, fighter' + Slavic bor 'war, fight'.

The name of an 11th C Obotrite prince.

Czech Republic
Latin
1348 Ratyborius (nom) chlumecky 12; 1349 Ratiborio (dat) ibid. 50; 1351 Ratyborij (gen) ibid. 21
Poland
Latin
1345 Ratyborie (dat) CDEM-7.2 616
Cite as: S.L. Uckelman. "Ratibor". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Ratibor.