Harry Parker Knapp & Marguerite Henry 
Harry Parker and Marguerite were married in a religious ceremony on August 5th, 1915 in Chicago, Cook, IL.1 They had two sons and a daughter, named John Rollin, David Harry and Jane Hamilton.
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Personal Details
Harry Parker Knapp
Harry Parker was born on January 2nd, 1888 in Raymond, SD.1 He died at the age of 78 on March 21st, 1966 in Chicago, Cook, IL.1
Marguerite Henry
Marguerite was born on October 10th, 1888 in Chicago, Cook, IL.1 She died at the age of 36 on July 13th, 1925 in Yellowstone Park, WY.1
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Children
John Rollin Knapp
John Rollin was born on October 10th, 1918 in Chicago, Cook, IL.1 He died at the age of 61 on September 13th, 1980.1