Björk, daughter (dóttir) of Guðmundur. Icelandic names are cool, they keep the son-of- / daughter-of- tradition of old. From Wikipedia:
> Icelandic surnames are different from most other naming systems in the modern Western world in that they are patronymic or occasionally matronymic: they indicate the father (or mother) of the child and not the historic family lineage.
> Icelandic surnames are different from most other naming systems in the modern Western world in that they are patronymic or occasionally matronymic: they indicate the father (or mother) of the child and not the historic family lineage.
https://en.wikipedia.org/wiki/Icelandic_name