Marie Countess of Helfenstein - Pedigree | FamilyCentral
 Abt 1314 - 5 May 1372
 Abt 1333 - 27 Apr 1403
 Abt 1287 - Aft 27 Oct 1331
 Abt 1291 - 17 Mar 1356
 Abt 1288 - Aft 1314