I made a mistake -- the daughter was Mary not Anna, but the Manning, Iowa got my attention.Actually I was looking for a different Kortum and then saw your posting.
ID: I506965644 Name: Georg Jacob KORTÜM Given Name: Georg Jacob Surname: Kortüm Sex: M Birth: 4 Mar 1846 in Lemkenhafen, Fehmarn Island, Germany Death: 7 Aug 1919 in Manning, Carroll Co., IA Burial: Manning, Carroll Co., IA Occupation: Farmer per 1900 Census Occupation: Schiffer in Lemkenhafen Note: 1900 Federal Census for Iowa, Crawford County, Iowa Township, District 10, Enumeration District No. 63, Sheet 9(B) (Iowa, Crawford County, Roll 426 Book 2, Page 245) Shows the Kortums as Jacob head of household, Johanna his wife, and three children: Fred age 19, Rosa age 14, and Mary age 12. Jacob is a Farmer, born in Germany, migrating to the United States in 1881, and that he, his wife and son had been in the United States for 19 years. The census also shows a "boarder" living in their househould, a 16 year old named Rames Hermann born January of 1884 from Germany and that Jacob came to America in 1879. March 17, 1879, an F. Kortum was registered as a passenger in the Saloon of the SS Germanic. He is a male, 33 years old, signed on as a merchant. Also of note, in the 1900 US Census there is a Fredrick Kortum and his wife Caroline living in the Whit Township with their daugher Sallium. This Fredrick Kortum was born Dec. 1840. Caroline was born October of 1848. Sallium was born May of 1886. Caroline had 7 children of which 5 are living. Both Fredrick and Caroline were born in Germany, Sallium was born in Illinois. Fredrick came to the United States in 1864, Caroline in 1871. He is listed as a clergyman.