1Prepared by Gibson County Historical Society, Johnson Township Cemeteries, Page 60, 5 Jun 1999, Willard Library, 21 First Avenue, Evansville, IN, RFH IN 977.235 John. "Page 60; SE Section Row 1 Koberstein, Karl son of George b.p. Germany b. Apr 7, 1870 d. Feb 13, 1955 d.p. Evansville, IN." St. Peter and Paul Cemetary.
2Gibson County Historical Society, Johnson Township Cemeteries, p. 60, 5 Jun 1999. "Page 60; SE Section Row 1 Koberstein, Karl son of George b.p. Germany b. Apr 7, 1870 d. Feb 13, 1955 d.p. Evansville, IN." St. Peter and Paul Cemetary.
1Mercer Family History, http://www.mercerfamilyhistory.com/index.php. "1896 - Carl Koberstein Married Margaret Kiesel."
2Indiana Index to Supplemental Record Marriage Transcript 1880 - 1920. "Name: Charles Roberstein
Marriage date: 11 Aug 1896
County: Gibson
Book: H2
Original Source Page: ??
Spouse: Margaret Kiesel
Gender: M
Age: 27
calculated birth year: 1869."3Margaret N. Koberstein death, 17 Jan 1952, Gibson County Clerk annex (1952), Book H46, Page 247, 5 Jun 1999, Gibson County Court House Annex, Prince Street, Princeton, IN, Book H46 Page 247. "
Person: Koberstein, Margaret N.
Date: 17 Jan 1952
Place: Haubstadt, Gibson, IN
Sex: Female
Color: White
Birth date: 31 Mar 1877 (75 years)
Status: Married
Birth place:
Father: Kiesel, Michael
Birthplace: -
Mother: Unknown
Birth place: -
Occupation: Housewife
Informant: Koberstein, Emery."
1Koberstein, - birth, 19 Apr 1898, Gibson County Clerk's Office (1898), Book H6, Page 35, 5 Jun 1999, Gibson County Court House Annex, Prince Street, Princeton, IN. "
Person: Koberstein, -
Child #: 1
Sex: Male
Color: White
Date: 19 Apr 1898
Mother: Kinsil, Maggie
Mothers age: 24
Residence: Gibson co.
Birth place: Haubstadt, Gibson, Indiana
Father: Koberstein, Karl
Fathers Age: 28
Occupation: Farmer
Birth Place: Germany."