David Unger 
David was born on February 9th, 1791 in Linglestown, Dauphin Co., PA. He died at the age of 49 on February 19th, 1840 in Dauphin Co., PA.General Notes
A David Unger is listed as a Pennsylvania volunteer for the War of 1812. Source 1: Eisenhauer/Eisenhower Family History; (Dwight D. Eisenhower biography, http://history.cc.ukans.edu/heritage/abilene/ikehist.html). Other sources: Family members George Eisenhower and Rose Haddle, Source 29, and "Roll of Pennsylvania Volunteers-- Privates" for the War of 1812. Source 63.
They had a son named John George.
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Children
John George Unger
John George was born on October 26th, 1817 in Linglestown, Dauphin Co., PA. He died in unk.