Hi,
On MyHeritage.com I found this:
Elise Agenstein b. Feb 20, 1883 in Russia married Mr. Lengacher (his first name is 'private') and no marriage date.
Elise d. Aug 14, 1911 in Canton Bern, Switzerland.
Her parents:
Johannes Agenstein, Jr. (1845 - 1921) Susanna Katharina Agenstein (born Mani) (1845 - 1926)
And siblings:
John Eduard Friedrich Karl Agenstein (1876 - ?) Jakob Agenstein (1877 - 1932) Wilhelmine Agenstein (1881 - 1897) Karl Agenstein (1889 - 1965)
The link is:
http://www.worldvitalrecords.com/person/Elise-Lengacher-born-Agenstein/190292242-1013283