Miłosz's brother, Andrzej Miłosz (1917–2002), was a Polish journalist, translator, and documentary film producer. His work included Polish documentaries about his brother.
Miłosz's son, Anthony, is a composer and software designer. He studied linguistics, anthropology, and chemistry at the University of California at Berkeley, and neuroscience at the University of California Medical Center in San Francisco. In addition to releasing recordings of his own compositions, he has translated some of his father's poems into English.[48]
