Habsburg, Graf Rudolf III. von2024-01-022024-01-021240-04-2209.04.19801240-04-229447https://urkundenrepositorium.uni-marburg.de/handle/lba/13290imageCC-By 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/Habsburg, Graf Rudolf III. von an Olsberg, Kloster - 15.4.1240-22.4.124013.05.1980