This is basically how all Icelandic surnames work. They are patronyms or matronyms. Björk Guðmundsdóttir literally means “Björk, daughter of Guðmundur”, because

This is basically how all Icelandic surnames work. They are patronyms or matronyms. Björk Guðmundsdóttir literally means “Björk, daughter of Guðmundur”, because that was the name of her father.