| Generation 1 - Drs. Jacobus Bernardus Joannes Kortmann: Born - Mon 15 Dec 1873 - Leiden, Zuid-Holland, Nederland |
|
| Generation 1 - Drs. Jacobus Bernardus Joannes Kortmann: Died - Fri 15 Feb 1946 - Zoeterwoude, Zuid-Holland, Nederland |
|
| Generation 1 - Drs. Jacobus Bernardus Joannes Kortmann: Buried - Wed 20 Feb 1946 - Zoeterwoude, Zuid-Holland, Nederland |
|
| Generation 1 - Drs. Jacobus Bernardus Joannes Kortmann & Albertine Henriette Nicolaia Marie Schermer Voest: Married - Thu 27 Oct 1910 - Amsterdam, Noord-Holland, Nederland |
|
| Generation 2 - Hendricus Bernardus Petrus Kortmann: Born - Wed 01 Aug 1838 - Leiden, Zuid-Holland, Nederland |
|
| Generation 2 - Hendricus Bernardus Petrus Kortmann: Died - Sun 14 Jul 1907 - Leiden, Zuid-Holland, Nederland |
|
| Generation 2 - Hendricus Bernardus Petrus Kortmann: Buried - Wed 17 Jul 1907 - Leiden, Zuid-Holland, Nederland |
|
| Generation 2 - Hendricus Bernardus Petrus Kortmann & Joanna Cornelia Speet: Married - Tue 09 May 1865 - Leiden, Zuid-Holland, Nederland |
|
| Generation 3 - Johannes Bernardus Josephus Kortmann: Born - Mon 29 Jan 1798 - Deutschland |
|
| Generation 3 - Johannes Bernardus Josephus Kortmann: Died - Sat 12 Nov 1859 - Zoeterwoude, Zuid-Holland, Nederland |
|
| Generation 3 - Johannes Bernardus Josephus Kortmann & Maria Elisabeth Speet: Married - Thu 28 Sep 1826 - Leiden, Zuid-Holland, Nederland |
|
| Generation 3 - Maria Elisabeth Speet: Died - Sat 19 Mar 1881 - Leiden, Zuid-Holland, Nederland |
|
| Generation 4 - Johannes Speet & Johanna Kruijvers: Married - Sat 08 Sep 1792 - Leiden, Zuid-Holland, Nederland |
|