Anastasia Lvovna of Halych–Volhynia () (?-1335), was a Duchess of Dobrzyń by marriage to Siemowit of Dobrzyń (r. 1288–1293, 1295–1303 and 1305–1312).Войтович Л. Княжа доба: портрети еліти . — Біла Церква, 2006. She served as Regent of Dobrzyń with her brother-in-law Władysław I Łokietek during the minority of her sons, Władysław the Hunchback and Bolesław of Dobrzyń between 1312 and 1316.
Issue Leszek (bef. 1302 - bef. 10 July 1316). Władysław (bef. 1303 - 5 June 1351/April 1352). Casimir (bef. 1304 - bef. 10 July 1316).Existence disputed; he appears only in the testimony of Archbishop Janisław and voivode of Inowrocław John of Płonkow in the Polish-Teutonic trial in Warsaw in 1339: the witnesses have identified Casimir and Władysław as brothers, but they didn't mention Bolesław, so is probable that they transcribed a wrong name. Bolesław (bef. 1305 - 1 October 1327/12 March 1329). Judith (d. aft. 24 September 1313).Origin uncertain; her existence is confirmed in a document dated 24 September 1313 and issued by the Abbess of the Cistercian monastery of Trzebnica, who named her as Juttę de Cujavia.
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