Johann August Sommerfeld
1852 - 1926(Notes: You may have to scroll down or right to see chart.)
| Ludwig Sommerfeld | |
| B: | 16 Feb 1892 |
| Sobolew, Lubartow, Lublin, Poland | |
| D: | 15 Nov 1967 |
| Lister, BC, Canada | |
| Olga Lydia Berg | |
| B: | 5 Jan 1900 |
| D: | 16 Aug 1946 |
| Spokane, Spokane, WA, USA | |
| Johann August Sommerfeld | |
| B: | 24 Nov 1852 |
| Golska Huta, Wloclawek, Bydgoszcz, Poland | |
| D: | 14 Jun 1926 |
| Ozlin, Rendas, Latvia | |
| Mathilde Pede | |
| B: | Feb 1858 |
| D: | 2 Oct 1932 |
| Kuldiga, Latvia | |