He is named son of "Adalbertus Scucco" & his wife, sister of Pfalzgraf Friedrich, in the Annalista Saxo, which specifies that Friedrich succeeded his maternal uncle as Pfalzgraf.
Pfalzgraf in Sachsen 1097. The Chronicon Gozecense names "comes Fridericus palatini de Sumersenburch" as son of "Ouda". The Genealogica Wettinensis names "Fridericum comitem palatinum" as son of "Adelbertus quidam nobilis cognominatus Seveke de Sumerschenburc" & his wife Oda. The documents dated Feb 1111 relating to the coronation of Heinrich V King of Germany as emperor name "Fridericum filium sororis suæ, marchionem Engilbertum, marchionem Thiebaldus, comitem Hermannum, Fridericum palatinum comitem de Saxonia, Berlingarium de Bavaria, Godefridum comitem, Fridericum Saxonum, Albertum cancellarium, Cononem fratri Berengarii, Sigebot de Bavaria, Henricum ducem Carinthie, Bertoldum filium ducis Bertoldi" as the emperor's guarantors. "Fridericum palatinum comitem de Saxonia" signed fifth in the list of lay witnesses who swore for Heinrich V King of Germany at the time of his coronation as emperor in 1111.
Vogt of Kloster Schöningen 1120. 1
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