Jacob was born around 1820 in the village of Neudorf in the Glückstal district of the Odessa area and Black Sea region of South Russia to Balthasar Hieb and Margaretha (Unknown) Hieb. He was the seventh of his father's 8 children and the fourth of his mother's 5 children.
On October 22, 1840, at the age of 20, Jacob married Friederike Deile (1819-1880) in Neudorf.
1880 U.S. Census: Age 62, living in Bon Homme County, Dakota Territory with his son and daughter-in-law. 
↑ 1.01.1The Emigration from Germany to Russia in the Years 1763 to 1862, Karl Stumpp; (5) Neudorf, gegr. 1808 (Evang.); Revisionsliste 1816: Nr. 1--121; 1858: Nr. 122--252.
↑ "Россия, дубликаты Лютеранских метрических книг, 1833-1885," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q242-6CC7 : 8 March 2021), Jacob Hieb and Friederika Deile, 22 Oct 1840, Marriage; citing p. 175, volume 828-14/25, Bergdorf, Izmail, Bessarabia, Russia, Russland Historischen Staatsarchiv, St. Petersburg (Russian State Historical Archive, St. Petersburg); FHL microfilm 1,883,190.
↑ "Maryland, Baltimore Passenger Lists, 1820-1948," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QK6L-C5Q6 : 19 February 2021), Jacob Hiebsen, ; citing Immigration, Baltimore, Baltimore, Maryland, United States, NARA microfilm publications M255, M596, and T844 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL film 417,405.
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCVS-PVG : 19 February 2021), Jacob Heap in household of Michael Heap, Township 96 Range 60, Bon Homme, Dakota Territory, United States; citing enumeration district ED 94, sheet 81D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,111.