KREIG and KRIEG are variants of the same family.I recommend that postings be placed on the KRIEG forum as that was the original family name.
For example see:
Descendants of Johan (John) B. Krieg b: June 24, 1809 in Baden, Germany d: September 17, 1887 in Elwin, Macon Co, IL (Salem Cemetery) +Caroline Bazler (Bagler)b: September 26, 1826 in Baden, Germany m: in Germany d: April 19, 1882 in Elwin, Macon Co, IL (Salem Cemetery)
..2Albert Krieg b: Abt. 1864 in Illinois d: Abt. 1950 in Mexico City, Mexico (buried Kansas City?MO) ......3Charles Kreig b: 1888d: 1948 in (Mt Gilead Cemetary) ..2Anna Krieg b: December 12, 1857d: February 03, 1953 in Macon County, Illinois ..2John Krieg b: 1859 in St. Clair Co IL d: Aft. February 27, 1888 ..2Joseph Krieg b: November 11, 1861 in St. Clair Co, Illinois d: October 25, 1956 in Decatur, Macon Co, IL (Mt Zion Cemetary) ......3Arthur Connard Kreig b: August 02, 1890 in Elwin or Mt Zion, Macon Co, Illinois d: July 25, 1987 in Cerro Gordo, Piatt Co, IL (Cerro Gordo Cemetery) ......3Ethel Mae Krieg b: February 24, 1896 in Macon Co, Illinois d: April 29, 1984 in Mt Zion, Macon Co, Illinois (Mt Zion Cemetary) ......3Sarah Geneva Krieg b: February 19, 1901 in Mt Zion, Macon Co, Illinois d: December 12, 1959 in Mt Zion, Macon Co, Illinois (Mt Zion Cemetery) ..2Charles Krieg b: Abt. 1866 in Illinois d: Aft. February 23, 1883