Anna Sara Hochschild (born on 27 February, 1891 in Frankfurt am Main, Hesse, Germany; deceased on 28 February, 1972 in Zurich, Switzerland) and Paul Reiner (* 3 February, 1886 at Bleiweishof (farm) near Nuremberg, Middle Franconia, Bavaria; † 2 November, 1932 in Zurich, Switzerland) during WWI. Acc. to his uniform he is already a noncommissioned officer (Vice Feldwebel = field usher) wearing a portepée which allows to date the picture. In 1916 he got decorated with the Royal Bavarian Military Cross of Merit II. class plus the Prussian Iron Cross II. class and soon after became promoted as a Secondary Lieutenant.
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Private archive of Prof. Dr. Peter Dudek, Germany