
 1753 - 1802  (48 years)
 1753 - 1802  (48 years)( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)
 Joannes Baptista Dekeyser  b. 2 Feb 1721 d. 22 Dec 1794
  Joannes Baptista Dekeyser  b. 2 Feb 1721 d. 22 Dec 1794 b. 11 Oct 1774 d. 19 May 1834
 b. 11 Oct 1774 d. 19 May 1834
                     Eugenia Carolina Degrave  b. 8 May 1783 d. Yes, date unknown
  Eugenia Carolina Degrave  b. 8 May 1783 d. Yes, date unknown b. 5 Mar 1812 d. 24 Jul 1861
 b. 5 Mar 1812 d. 24 Jul 1861
                                     Joannes Prophete  b. 26 Jan 1808 d. 6 Nov 1866
  Joannes Prophete  b. 26 Jan 1808 d. 6 Nov 1866 b. 8 Oct 1839 d. Yes, date unknown
 b. 8 Oct 1839 d. Yes, date unknown
                                                 b. 27 Mar 1782 d. 29 Jul 1848
 b. 27 Mar 1782 d. 29 Jul 1848
                 b. 17 Sep 1786 d. 14 Apr 1855
 b. 17 Sep 1786 d. 14 Apr 1855
                 b. 27 Sep 1790 d. 6 Aug 1862
 b. 27 Sep 1790 d. 6 Aug 1862
                     Henricus Josephus Osaer  b. 12 May 1774 d. 29 Mar 1829
  Henricus Josephus Osaer  b. 12 May 1774 d. 29 Mar 1829 b. 18 Sep 1808 d. 14 May 1816
 b. 18 Sep 1808 d. 14 May 1816
                                 b. 29 Sep 1809 d. 16 Jul 1838
 b. 29 Sep 1809 d. 16 Jul 1838
                                 b. 8 Aug 1826 d. 28 Dec 1899
 b. 8 Aug 1826 d. 28 Dec 1899