To support this conclusion, Baerten emphasized that a Sint-Truiden land transaction (now dated between 927 and 964 and probably around 950) distinguished several places in the small area between Sint-Truiden and Borgloon as being in the two different counties:Diplomata Belgica 1296. Baerten dates this charter to 953-958. The charter is also transcribed in the Cartulaire de l'abbaye de Saint-Trond Piot edition, Volume 1, pp. 6–7
