sentences:  In 1898 his daughter Otýlie married his student, the composer Josef Suk.His son Otakar wrote a book about him.Dvořák called his String Quintet in A minor (1861) his Opus 1, and his First String Quartet (1862) his Opus 2, although the chronological Burghauser Catalogue numbers these as B.6 and B.7, showing five earlier compositions without opus numbers.