Info in this section taken from the Engelhorn Family Website:
Esther Anna ENGLEHORN
Born 9 Sep 1886 in Helena, Lewis and Clark County, MT.
Died 21 Sep 1973 in Dennis, Barnstable County, MA.
Esther married George Elmer MIDDLETON, son of Jefferson MIDDLETON and Eva Belle CAULDWELL, on 19 Aug 1915 in Chicago, Cook County, IL. George was born 12 Jan 1890 in Washington, D.C.. He died 30 Jun 1976 in Dennis, Barnstable County, MA.

Clara and baby Engelhorn (likely Esther)
Photo from my family's Barthell photo albumThis is from the red photo album dedicated to Mother (Letticia Barthell) from Anna and Fred
Handwritten identification on album page: "Inglehorne, Decorah"
Photographer's imprint on photo: Haynes, Fargo, D.T.
Faint handwriting on reverse (scratched in, not marked): "Clara 2 1/3 yrs, Baby 3 mo"
Notes:
This photo shows two children of Anna Barthell Engelhorn's son Hermann Engelhorn. The photo was taken in Fargo, Dakota Territory around 1884. (North Dakota became a state on November 2, 1889.) The baby is likely Ester Anna Engelhorn, the next oldest of Hermann's children.