http://www.wolfgangmarcus.de/aufsaetze-ab-2000/aufsaetze-2006/erbsaelzerfamilien-geschichte/
en
http://www.wolfgangmarcus.de/aufsaetze-ab-2000/aufsaetze-2006/erbsaelzerfamilien-geschichte/
(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)