Do any of these names or years match the photo?
Bertha Brunckhorst (née Holdenried) (d. 1871)
Mrs. Brunckhorst (née Metzner) (d. 1918)
Frank Brunckhorst (d. 1908)
Henry Brunkhorst (d. 1926)
Mrs. Frieda Thiele-Brunkhorst (d. 1921)
These are Brunckhorst/Brunkhorst names from "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).
(I'm not a Brunckhorst researcher)
Gary Rebholz, compiler/editor
Indexing Milwaukee's German newspapers continuously since 2007... helping family researchers collect evidence of our historic German-American culture.