Gyda was, according to Adam, married to king Sveinn II of Denmark, who had spent some time at the Swedish court during his political exile from Denmark, in about 1047.
Gyda, menurut Adam, menikah dengan raja Svend II dari Denmark, yang telah menghabiskan beberapa waktu di pengadilan Swedia selama pengasingan politiknya dari Denmark, sekitar tahun 1047.