Family portrait of painter Mathias Alten, his wife Bertha, and daughters Ella, Camelia, and Viola.

Portrait of Camelia Alten, daughter of painter Mathias Alten, with her cat.

Portrait of painter Mathias Alten and his daughter Viola.

Home of painter Mathias Alten on the corner of Fuller and Hope St. in Grand Rapids, Michigan.

Portrait of painter Mathias Alten. Photograph is cut and mounted in diamond shape.

Passport photograph of painter Mathias Alten (seated right), Forest Emerson Mann (standing), and an unidentified sculptor (seated left) taken in Seville, Spain.

Portrait of painter Mathias Alten on picture post card.

Painter Mathias Alten working on portrait of friend and neighbor Carl Bornecrantz? in his Grand Rapids studio.

Illustrated tally card from the 17th wedding anniversary celebration of the marriage of Bertha Alten and painter Mathias Alten, 1912. The card is punched with 5 holes.

Portrait of painter Mathias Alten.

Portrait of painter Mathias Alten.

Portrait of painter Mathias Alten.