

| Friedrich Arlt | Lehwald | |
| *: | 18 Nov 1919 |
| Düsseldorf, (DE) | |
| +: | 28 Mrz 2001 |
| Basford, Nottingham, (GB) | |
| Ingrid Ursula Lehwald | |
| *: | 27 Feb 1952 |
| +: | 24 Jul 2023 |
| Ella Auguste Arlt | |
| *: | 4 Apr 1898 |
| Veldhausen, Bentheim, (DE) | |
| Franz Lambert Porten | |
| *: | 6 Feb 1897 |
| Düsseldorf, (DE) | |
| +: | 18 Mai 1970 |
| Düsseldorf, (DE) | |
| August Emanuel Arlt | |
| *: | 1 Aug 1856 |
| Nawojów Łużycki, (PL) | |
| Anna Elsa Josiena Werdmuller | |
| *: | 28 Okt 1863 |
| Neuenhaus, Niedersachsen, (DE) | |
| oo: | 10 Nov 1887 |
| Düsseldorf, (DE) | |