Source: Ancestry Family Trees - Name: Online publication - Provo, UT, USA: Ancestry.com. Original data: Family Tree files submitted by Ancestry members.;Database online.Datensatz für Berthel Nielsen Schackhttp://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=80439772&pid=1741[] Source: Ancestry.com - Danmark, Select Burials, 1640-1917 - Name: Ancestry.com Operations, Inc.;Datensatz für Berthel Schack[]