<Li> Bert Kaempfert (Bertolt), 1923--1980, German orchestra leader </Li> <Li> Bert Koenders (Albert), b . 1958, Dutch politician </Li> <Li> Bert Lahr (1895--1967), American actor and comedian . </Li> <Li> Bert McCracken (Robert), b . 1982, lead singer of alternative band The Used </Li>

Where did the last name burt come from