EN
The article reports the results of an archival search in the 'Archiwum Glówne Akt Dawnych' (The Central Archive od Historical Records) in Warsaw. The source was: 'Ksiegi metrykalne wyznania mojzeszowego z terenów tzw. zabuzanskich z lat 1814-1939 (Registers of Jewish Faith from the Area beyond the Bug, 1814-1939) (Set No 300/I-II: documents Nos: 374 (ref. 1891), 124 (ref. 2200), 58 (ref. 2205) and 282 (ref. 2341)). The documents chiefly concern records of the Jewish Community of Stryj (now in Ukraine) relating to the family of the prominent Polish composer of the interwar period - Józef Koffler (1896-1944). These records include: the birth certificate of Józef Koffler; the birth certificate of the composer's sister, Gitel Reizel; the marriage certificate of the composer's parents, Hersch Koffler and Rebeka Schönfeld; and the birth certificate of his brother Schulim. The author also analyses records entered in later years in the registers of the Jewish community, especially those concerning: a declaration relating to the adoption of the children of Józef and Gitel Reizel born out of wedlock, the change of name from 'Gitel Reizel' to 'Gizela', and a declaration relating to Józef Koffler leaving the Jewish community. The search brings new information about the composer's family, and makes it possible to correct a number of errors relating to this subject.