Born in Norka, Russia, he married Katharina Kness Jan 11, 1880 in Norka, Russia.

Adam Yost was born November 1, 1858 in Norka Colony, Saratov, Russia and died September 20, 1939 in Alexander, Kansas. He married Katherine (Knisch) Kness January 11, 1880 in Norka Colony, Saratov, Russia. She was born May 28, 1858 in Norka Colony, Saratov, Russia, and died January 17, 1939 in Alexander, Kansas.

Adam's parents were:
Heinrich Johannes YOST I (Conrad, Johann Georg, Georg Jost) was born May,22, 1813 in Norka, Russia, and died October 18, 1875 in Norka, Russia. He married Catharina Bott Ccember 27, 1832 in Norka, Russia, daughter of Martin Bott and Anna YOST. She was born November 10, 1815 in Norka, Russia, and died in November, 1881 in Harvard, Clay County, Nebraska.

Children of Adam Yost and Katherine Kness were:
* Henry Yost, born October 23, 1881 in Sutton, Clay County, Nebraska; died March 25, 1966 in Alexander, Rush County, Kansas

* John Yost, born April 6, 1883 in Sutton, Clay County, Nebraska; died June 6, 1953 in Alexander, Rush County, Kansas

* Katherine (Katie) Yost, born January 4, 1885 in Sutton, Clay County, Nebraska; died March 8, 1958 in Alexander, Rush County, Kansas

* George Yost, born February 6, 1889 in Norka Colony, Saratov, Russia; died August 29, 1975 in Alexander, Rush County, Kansas

* Ludwig (Louis) Yost, born January 15, 1891 in Sutton, Clay County, Nebraska; died August 6, 1925 in Alexander, Rush County, Kansas

* John Adam Yost, born December 31, 1893 in Sutton, Clay County, Nebraska; died March 2, 1934 in Alexander, Rush County, Kansas

* Samuel (Sam) Yost, born August 13, 1896 in Sutton, Clay County, Nebraska; died November 28, 1958 in La Crosse, Rush County, Kansas

* Esther Yost, born August 2, 1900 in Sutton, Clay County, Nebraska; died September 13, 1974 in Rush Center, Rush County, Kansas