Johann Martin Grau - Pedigree | FamilyCentral
 Sep 1692 - 27 May 1760
 Jul 1655 - 9 Nov 1730
 Aug 1663 - 27 Mar 1742
 1598 - 18 Jan 1606
Family Group
 1552 - 7 Oct 1620
 1556 - Jul 1636
Rosina Margaretha Nagel
 md. 21 Mar 1727