| Johann Toennessen (1836 - 1917) |
|
| Veronika Mager (1836 - 1878) |
| Heinrich Peter Toennessen | Anna Eva Decker |
| bd. 15 Mar 1865, Lechenich, Kreis Euskirchen, Germany occ. edu. rel. dd. 4 Jan 1921, Koeln-Nippes brd. |
bd. 8 Apr 1866, Koeln-Mehrheim occ. edu. rel. dd. 10 Nov 1935, Koeln-Niehl brd. |