The document refers to a court hearing that had probably taken place a few years earlier and in which Egilmar is mentioned as "still growing up at the time".
According to another document from 1108, Count Egilmar I was accepted into the prayer society of the Iburg monastery in exchange for a membership fee of 90 bunch eels to be picked up at Aldenburg (lat.
Present were his wife Riche(n)za, his sons Christian and Egilmar II, his daughter Gertrud and his brother, the cleric Giselbert.
Elimar's wife Richenza (also called Rikissa or Rixa) was the daughter of Dedi or Adalger, according to the Annals of Stade,[3] and according to the same source, her mother was Ida of Elthorp (the Annales Stadenses also record that "Rikencen, filie Ide de Elthrope" was the wife of "comes Eilmari de Aldenburg").
Richenza would then have been a niece of his brother Archbishop Adalbert of Bremen (1043–1072), the archdiocese to which Oldenburg belonged, which would have favored the rise of her husband and descendants.