Habsburg, Graf Albrecht IV. von2024-01-022024-01-021239-12-3109.04.19801239-12-319454https://urkundenrepositorium.uni-marburg.de/handle/lba/13297zu 03:>1212-1239º; zu 13:Graf A>lbrechtºimageCC-By 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/Habsburg, Graf Albrecht IV. von an Olsberg, Kloster - 0.0.1212-0.0.123912.08.1981