 Soon after the war ended in 1945, he was appointed the first director of the Silesian Opera., which opened with the performance of Moniuszko's opera "Halka" that Didur produced.He died on 7 January 1946 in Katowice.Didur was twice married; with his first wife, the Mexican singer Angela Aranda Arellano (1874–1928), he had five children, two of whom later became singers themselves, including Eva Didur and .