If any of your descendants were one of the following, I would like to hear from you.. Maria Elisabetha Ertel b. 22 Jan 1756 d. 16 Jan 1780 Catharine Ertel b. 9 Oct 1757 d. 6 Jun 1760 Christina Ertel b. 18 Oct 1759 d. 1 Oct 1763 Johann Valentin Ertel b. 19 Mar 1762 d. date unknown Johann Michael Ertel b. 7 Sep 1764 d. 9 Mar 1834 Catharina Barbara Ertel b. 3 Dec 1766 d. 27 Dec 1840 Philip Jacob Ertel b. 27 May 1769 d. 24 Apr 1794 Johann Ludwig Ertel b. 18 Apr 1771 d. date unknown Philip Jacob Ertel b. 30 Dec 1734 d. 6 Jul 1804 Eva Elisabetha Roth ca. 1734 d. 29 Mar 1805