伯科 transliterates surnames like Bercow (best known for John Bercow, Speaker of the UK House of Commons 2009-2019, famous for his bellowed Order!) and Burko/Berko. The
伯-prefix often renders English bur-/ber- syllables:
伯尔尼 (Bern),
伯纳德 (Bernard),
伯明翰 (Birmingham).