Sobiesława is a Polish feminine given name, derived from the masculine Sobiesław. It is composed of the Slavic elements sebě, meaning "to oneself," and slava, meaning "glory." The masculine form, Sobiesław (Czech: Soběslav), was historically borne by two 12th-century dukes of Bohemia: Soběslav I (duke from 1125 to 1140) and his nephew Soběslav II (duke from 1173 to 1178). The female equivalent, Sobiesława, is rare but remains part of the rich Slavic naming tradition emphasizing compound roots with positive meanings. Linguistic and Cultural Context The name Sacz belongs to a class of early Slavic compound names, often formed from nouns or imperatives and common elements like "glory" (slava). Such names were especially popular in medieval Poland, Bohemia, and other West Slavic regions. The spelling Sobiesława with the character ł indicates Polish orthography, while the Czech form of the root name is Soběslav (feminine Soběslava). The name may also be associated with the Sobiesław family or notable individuals bearing the masculine version. Notable Bearers Historical records mention a few women carrying the name, though none of international fame. The 15th and 16th-century Polish aristocracy included several petty princesses and noblewomen baptised as Sobiesława, documented in local registers. However, beyond these specific cases, Sobiesława remains a rare name, even by historical standards. Its continued existence—into the present day—highlights a modest niche and a certain resilience. A 21st-century Pole named Sobiesława may be a tribally traditional or a purposeful genealogically motivated decision of a heritage-oriented parent. Meaning: "Glory to oneself" Origin: Slavic (Proto-Slavic) Type: Given name (feminine) Usage regions: Poland (historic East meets West boundaries) Variations: Sobiesława, and in other Slavic orthographies Soběslava, Sobesława