Дальний родственник, но страна проживания другая, если верно помню, в общем, принято их по-разному на русский переводитт
While his name is pronounced [ˈdvor̝ɑːk]), with the ř roughly as a simultaneous trilled [r] and [ʒ] due to him being of Czech descent, Dvorak's family in the U.S. pronounces it /ˈdvɔːræk/, with an English r.[7][6]