ULF Thrugilson [WULFSIGE Sprakling] (-murdered Roskilde 1026, bur Roskilde). Florence of Worcester specifies that he was the son of "Spracing"[301]. Snorre names Earl Ulf as son of Thorgils Sprakaleg[302]. Jarl in England 1017. Regent of Denmark from [1026]. He joined the allianceof Olav II King of Norway and Anund King of Sweden to oppose his brother-in-lawKing Knud[303]. The Chronicon Roskildense records that "duci Ulf" was killed "in ecclesia Roskildensi" where his widow buried him[304]. Saxo Grammaticus records that he was killed on the orders of King Knud whom he had allegedly insulted[305]. m ESTRID [Margrete] Svendsdatter, daughter of SVEND I "Tveskæg/Forkbeard" King of Denmark & his wife his second wife Sigrid “Storråda/the Haughty” (-9 May ----, bur Roskilde Cathedral). Adam of Bremen records that "Chnud…rex Danorum" gave "suam…germanam Margaretam pro foedere" to "comitis Nortmannorum Rikardi" and after she was repudiated to "Wolf duci Angliæ"[306]. The Chronicon Roskildense records that "Kanutus" gave "sororem…Estrith" to "Richardo", who repudiated her, after which she married "duci Ulf" without her brother´s consent[307]. Snorre names "Astrid, a daughter of King Svein Forkbeard" as wife of Earl Ulf[308]. Morkinskinna names “the lady Ástrídr…sister of two kings, Knútr the Great and Óláfr the Swede” as daughter of “King Sveinn Forkbeard…and Sigrídr en stórráda” who had previously been married to King Eirikr enn sigrsæli” and wife of “Jarl Úlfr sprakalegge”[309]. Ulf & his wife had [four] children