Swerker I Kettilsson den gamle was born in 1100, in Kaga, Östergötland, Sweden as the son of Kettil and Mrs. Kettil. He married Ulvhild Håkansdotter after 1134. They were the parents of at least 3 sons and 2 daughters. He died on 25 December 1156, in Alvastra, Östergötland, Sweden, at the age of 56.
Possibly an Americanized form of South German Zwecker, an occupational name for a nail maker, from Middle High German zweck ‘tack, nail’ + the agent suffix -er.
https://en.wikipedia.org/wiki/Sverker_I_of_Sweden Sverker was a large landowner from Östergötland. According to the Westrogothic law (c. 1240), his father's name was Cornube,[1] but according to the …
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