After the extinction of the House of Stenkil and the coronation of Sverker I of Sweden in 1130, a civil war commenced. In the beginning, there were several pretenders, of whom Sverker I emerged as victorious, for a time. The antagonists in long run were finally the House of Sverker in Ostrogothia and the House of Erik in Uplandia, which alternated on the throne for several generations, until in 1220's, the Eric dynasty got the upper hand and the Sverker dynasty had gone extinct (at least in male line). As usual in medieval succession rivalries, the final outcome combined the blood of rival lines, as in 1250 Valdemar of the Folkungs (then a minor, his father Birger Jarl acting as Regent) ascended the throne, having inherited the Eric dynasty claim from Valdemar's mother (who was sister of Eric XI of Sweden, the last Eric-dynast) and some of the Sverker dynasty claim from Birger's mother (who was daughter of a younger son of Sverker I). The House of Stenkil was the first Geatish dynasty on the Swedish throne. ... Sverker I Kolson or Sverker the Elder (died c. ... Uplandia, or Uppland, is a historical Province or Landskap on the eastern coast of Sweden. ... Valdemar Birgersson (1239-1302), King of Sweden 1250-1275/1288/1302, was the son of princess Ingeborg Eriksdotter of Sweden and Birger Jarl, Earl Birger Magnusson of Bjälbo, who more or less ruled Sweden from 1248 under king Eric Ericsson the Lame his brother in law. ... In modern Swedish, Folkung has two meanings, which appear to be opposites: The noble (royal) clan of Folkungar, named Folkungaätten (ätt means clan), who in effect introduced inheritance of the throne during the 12th century. ... Birger Jarl Statue of Birger jarl in Stockholm Birger Jarl  listen? or Earl Birger, (1210 – 1266), Swedish statesman, full name Birger Magnusson of Bjälbo, son of Magnus Minnesköld of Bjälbo and Ingrid Ylva, nephew to the Earl Birger Brosa, and the most famous member of the ancient noble family of... Eric XI Ericsson (1215 – February 2, 1250) den läspe och halte: the stuttering and lame, was king of Sweden 1222 – 1250. ...