Hallo Rita,
ev. helfen diese Links etwas weiter.
FamilySearch.org
venname%3A%22Hans%20Heinrich%22~%20%2Bsurname%3ALass~%20%2Bspouse_given
name%3AWiebke~%20%2Bspouse_surname%3AMumm~&https://www.familysearch.org
/search/record/results=undefined
FamilySearch.org
venname%3A%22Hans%20Heinrich%22~%20%2Bsurname%3ALass~%20%2Bspouse_given
name%3AWiebke~%20%2Bspouse_surname%3AMumm~&https://www.familysearch.org
/search/record/results=undefined
FamilySearch.org
venname%3A%22Hans%20Heinrich%22~%20%2Bsurname%3ALass~%20%2Bspouse_given
name%3AWiebke~%20%2Bspouse_surname%3AMumm~&https://www.familysearch.org
/search/record/results=undefined
Gruss vom Donn
Heinrich
Johann-Heinrich Sievers
Birkenstrasse 6
25693 St. Michaelisdonn
015775396468
Arbeitskreis Familienforschung Dithmarschen
Verein fuer Dithmarscher Landeskunde e.V.