Peter Siegfried, born 9 July 1825, in Russia, and died 3 May 1905, in Oklahoma. He married Catherine Elizabeth Eiring born 11 Jan 1826, in Russia, and died 2 Sept 1899.
This was Catherine's third marriage. Child on Peter's lap is probably Annie Schlotthauer, mother of Zella Mae Schlotthauer Anderson.
Peter and Catherine Siegfried's daughter, Catherine Margaret, is in the top right picture. Other children were Sophia, born 2 May 1861, George, born 8 Apr 1862, Elizabeth, born 7 Feb. 1864 and Henry, born 14 Feb. 1869.