Svantepolk of Viby (1230-1310) (1250–1310) Parents Canute, Duke of Estonia Hedvig Svantepolksdotter Children Katarina Svantepolksdotter Ingegerd Svantepolksdotter of Viby, heiress, lady of Händelöö Ingrid Svantepolksdotter Ingeborg Svantepolksdotter (Skarsholmsätten) Siblings Erik Knudsen of Sønderhalland Duke Erik Knudsen, knight, hertig til Sønder Halland, High Seneschal of Denmark Partners Benedicta of Bjelbo