Isaak Spier
| Sex: | Male | |
| Father: | Michael (Jechiel Ben Isaak) Spier | |
| Mother: | Bertha (Berle bat Chawer Moses) Frank | |
| Birth: | 1875 | 1 2 |
| Death: | 3 | |
| Burial: | 4 | |
| Religion: | JD | |
Family 1
| Spouse/Partner: | Johanna Rothschild | b. 1878 d. 1942 |
| Marriage: | 5 6 | |
| Children: | ||
Gertrud (Trudchen) Spier
 |
b. 1904 d. 1909 | |
| Ruth Spier
|
b. 1909 d. 2002 | |
