| Name | Geboren | | Ereignis | | Gestorben | | Quelle |
 | Happach, Adelbert | 14.4.1827 | | | | | | |
| Happach, Adelbert Konrad | 8.2.1882 | | | | 21.3.1883 | Varel | |
| Happach, Adeline Helene (Lilly) | 29.7.1885 | Varel | | | 17.7.1970 | | |
| Happach, Adolf Philipp | 1635 | | 30.4.1661 | Dessau-Roßlau | 1688 | | |
| Happach, Adolf Konrad | 21.4.1876 | Varel | | | 10.5.1876 | Varel | |
| Happach, Agnes | 22.5.1631 | | 28.8.1660 | | 29.11.1670 | | |
| Happach, Agnes Magdalena | 24.9.1645 | Dessau-Roßlau | 3.8.1673 | Dessau-Roßlau | | | |
| Happach, Agnes Maria | 10.10.1696 | Oranienbaum-Wörlitz | 23.5.1713 | Dessau-Roßlau | 13.9.1773 | | |
| Happach, Agnes Elisabeth | 12.1.1716 | Dessau-Roßlau | | | 22.1.1719 | Dessau-Roßlau | |
| Happach, Agnes Albertina Juliana | 19.6.1738 | Dessau-Roßlau | | | 24.8.1738 | Dessau-Roßlau | |
| Happach, Agnes | 30.6.1848 | Dessau-Roßlau | | | 31.3.1928 | Mühlhausen/Thüringen | |
| Happach, Agnes Bertha | 30.6.1883 | Racibórz | | | 15.2.1942 | Hamm | |
| Happach, Albert Hinrich | 6.7.1833 | Norden | 31.1.1866 | | 6.8.1906 | Varel | |
| Happach, Albert Oscar | 8.10.1847 | Laußig | 30.7.1877 | Magdeburg | 24.10.1884 | Magdeburg | |
| Happach, Albrecht Christian Wilhelm | 28.12.1874 | Varel | 5.6.1900 | Hollenstedt | 17.4.1943 | Bremen | |
| Happach, Albrecht | 30.4.1896 | Hamburg | | | 22.10.1916 | | |
| Happach, Albrecht August Eduard | 21.12.1901 | Minden | 29.3.1941 | Lübeck | | | |
| Happach, Allwin Leopold | 7.4.1846 | Übigau | | | | | |
| Happach, Amalia Maria | 28.12.1717 | Dessau-Roßlau | | | | | |
| Happach, Amalie | 2.7.1686 | Dessau-Roßlau | 27.9.1718 | Dessau-Roßlau | | | |
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