My 2nd great-grandparents, Jakob Reichert (11 Nov 1838-circa 1928) and Maria Katharina David (1840-?) immigrated from Dietel, Russia in the early 1900s. They are both listed on the 1910 Census in Timnath, Colorado as living with their son, Johann Georg Reichert and his family. I am looking for any information as to WHEN and HOW they immigrated to the USA and back to Russia circa 1911. Currently there is NO information in Russia regarding their deaths.