This mentions the 1528 document giving his father half of Staurem in exchange for Lahus, as well as the note added to the document later indicating that Einar did not have proof of ownership of the other half of Staurem. However, the note was added in the 17th century, and undoubtedly refers to Einar's grandson, Einar Nirisson Staurem, as assumed by Kirkeby (Sauherad Bygdebok, 5:153).