Between 1019 and 1023 he accompanied Cnut on an expedition to Denmark, where he distinguished himself, and shortly afterwards married Gytha, the sister of the Danish earl, Ulf, who was married to Cnut's sister, Estrid.
Pada sekitar tahun 1019 dan 1023 ia menemani Knut dalam sebuah ekspedisi ke Denmark, di mana ia membedakan dirinya, dan tak lama kemudian menikahi Gytha, saudari earl Denmark, Ulf, yang menikahi saudari Knut, Estrid.