Tervel Venkov Pulev is the younger brother of the holder of the European heavyweight title twice between what years?
Kubrat Pulev: Kubrat Venkov Pulev (Bulgarian: Кубрат Венков Пулев ; born 4 May 1981) is a Bulgarian professional boxer. Kubrat Pulev:  He held the European heavyweight title twice between 2012 and 2016, and has challenged once for the unified world heavyweight title in 2014.
i don't know