His origin is not known, but it is believed that he was originally from England or Germany because many monks from the monastery were from those countries and because his name was rather uncommon in Sweden at that time.
Asal usulnya tidak diketahui, namun dipercaya bahwa ia berasal dari Inggris atau Jerman mengingat banyak biarawan berasal dari negara-negara tersebut dan karena namanya agak tidak umum di Swedia pada saat itu.