Sundholm, Olof Theodor (1873) (スウェーデン語). Swedish Field Marshals. p. 52. https://books.google.com/books?id=3UwMAQAAMAAJ. "Born in 1619 he was the son of the National Chamber Counsellor, Count Johan Casimir Leijonhufvud and Sidonia Grip and grandson of Count Axel Leijonhufvud, the worried and most bullersammaste adventurers in Sweden in his time, who also ended his life in exile without even the grace to persuade King Gustavus II Adolphus known gentleness. ..."
