The following per Deb S.:
Herman settled in Madison Co. Iowa in 1874.
Marr. Katherine E. (Storck) Marquardt
March 21, 1886, Delaware Co. Ia.
Occ: Farmer & stock raiser.
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Winterset Madisonian, Winterset, Iowa
November 7, 1935 Van Meter Special Nov. 4

HERMAN E. MARQUARDT Dies

Herman E. Marquardt passed away at his home in Jefferson township, about noon, on Wednesday, October 30th, after a long illness. Mr. Marquardt, who was 82 years old, was one of the long time residents of this vicinity. He was born in Nenemkirchin, Pomerania, Germany and when four years old came with his parents to the United States. They settled in Clayton county, Iowa, where he grew to young manhood. They came to Madison county in 1873, and located on a farm in the northern part of Jefferson township.

The deceased received his early education in the schools of Clayton county. However, most of his education was acquired by constant reading and study of both secular and sacred subjects. He joined the Lutheran church in Clayton county, and upon moving to Madison county, he transferred his membership to the Trinity Lutheran church in Jefferson township. He was an active worker for many years, and has served as elder. He was also a charter member of the Farmers Mutual Insurance association of Madison county, and has always been a director of the company.

On March 21, 1886 he was married to Miss Katie Storck of Delaware county. The young couple moved to the present family home, where they have since resided. They were the parents of six children, but one daughter and one son died in early childhood.

He leaves his wife, and four sons, David, Oscar, George and Alfred, all of this vicinity. He also leaves four grandchildren: Fern, Walter, Vera, and Helen.

The funeral service was held at the Trinity Lutheran Church, on Friday, November first, with the pastor, the Rev. C. Lilie in charge and burial was in the Lutheran cemetery. Six of his nephews served as pallbearers: August and Carl Marquardt, Paul and Walter Storck and Albert and Roy Burger.

Among those from a distance who came back to attend the funeral were Mr. and Mrs. Daniel Storck of Marion and Martin Cadding and John Van den Hamm of Ireton.
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From the 1915 publication, "History of Madison County, Iowa, and its people," by Herman Mueller, Chapt. 28 entitled, "Clayton Comes To Madison," page 229:
    "In 1867 those who came were [the names of 17 settlers]. All these settled in Jefferson Township. Afterwards and prior to 1870 those who settled in this township from Clayton County were Merrill A. Knight, Alexander Miller, Sylvester Renshaw, Silas Angier, William Kelley, Gearhardt Storck, John Westphal, Herman Marquardt, Ferdinand Marquardt, Mr. Steinhouse, Merrill Carty, Harriet Hazen, George Allen and William Buske."
      Same chapter, page 232:
    "Carl Marquardt and wife also came in 1873. They were the parents of Mrs. Gerhardt and Mrs. George Storck, Mrs. William H. Burger and Ferdinand and Herman Marquardt."
    (Chapter 28 can be viewed in full, here)