Proper noun
Zvonimir
A male given name from the Slavic languages
Serbian historian Zvonimir Golubović has claimed that not only was Horthy aware of these genocidal massacres, but had approved of them. Source: Internet
High medieval sources mention the assassination of King Demetrius Zvonimir (1089), dying at the hands of his own people, who objected to a proposition by the Pope to go on a campaign to aid the Byzantines against the Seljuk Turks. Source: Internet