H.F. Macco, Geschichte und Genealogie der Familien Peltzer, Aachen 1901, S. 288
H.L. von Beckerath, Stammbaum von Beckerath nebst Descendenz, Krefeld 1903, S. 184
♥ = Vorfahren Peter LEENDERTZ >
| (1748-....)x1779
Wilhelm LEENDERTZ | Beatrix Henriette FLOH
| (1780-1855)x1810 (1739-....)
Julius LEENDERTZ |
| (1827-1875)x1858 | Johann Gottlieb METZGES >
| | | (1753-1827)x1781
| | Mathilda Agnes Anna Elisabeth METZGES | Maria Sophia SEBES >
| (1792-1882)x1810 (1755-1838)
Ernst LEENDERTZ | ____________________________
| (1863-1914)x1897 | |
| | ________________________________________|____________________________
| | |
| | Friederika Carolina RAUMFELDER | ____________________________
| (1831-1869)x1858 | |
| |________________________________________|____________________________
|--Herbert Julius LEENDERTZ
| (1897-....) Wilhelm Otto PELTZER > ♥
| | (1776-1815)x1801
| Wilhelm Eberhard PELTZER | Johanna Katharina MERTENS
| | (1806-1866)x1830 (1773-1839)
| Adolf PELTZER |
| | (1836-1880)x1862 | Johannes ter MEER > ♥
| | | | (1773-1845)x1801
| | | Bertha ter MEER | Sophia DIEKER > ♥
| | (1805-1884)x1830 (1781-1841)
| Anna PELTZER |
(1867-1919)x1897 | Peter von BECKERATH >
| | (1774-1856)x1801
| Konrad von BECKERATH | Elisabeth BECKERS >
| | (1808-1883)x1836 (1779-1853)
| Bertha Dorothea von BECKERATH |
(1839-1903)x1862 | Johannes ter MEER > ♥
| | (1773-1845)x1801
| Anna ter MEER | Sophia DIEKER > ♥
(1808-1863)x1836 (1781-1841)