FamilySearch Family Tree (
http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 10 Sep 2016), entry for Marcomir Duke of East Franks, person ID 9HT6-F5V. FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 10 Sep 2016), entry for Marcomir Duke of East Franks, person ID 9HT6-F5V.