Place of Birth: Havre, Montana, U.S.
Date of Birth: August 21, 1956
Jon Tester is an American politician. A member of the Democratic Party, he has been a U.S. Senator from Montana, since January 3, 2007. He was previously President of the Montana Senate, from January 3, 2005 to January 3, 2007, among other duties.
Jon is the son of Helen Marie (Pearson) and David Orson Tester. He is married to Sharla Bitz, with whom he has two children.
Jon’s paternal grandfather was Vernon Raymond Tester (the son of Charles Cyrus Tester and Mary Ann Rawlings). Vernon was born in Utah, to English parents. Charles was born in Nutley, East Sussex, the son of George Tester and Emma Feldwick. Mary Ann was born in Upton Noble, Somerset.
Jon’s paternal grandmother was Caroline Hannah Worthington (the daughter of Orson Henry Worthington and a woman surnamed Holmes). Caroline was born in Utah, to English parents. Orson was born in Corley, Warwick, the son of Henry Worthington and Mary J. Ison.
Jon’s maternal grandfather was Fred Arnfred Pearson (the son of Jens Pearson and Betsy Anderson). Fred was born in North Dakota, to Swedish parents.
Jon’s maternal grandmother was named Christine. Christine was born in Sweden.
Sources: Genealogy of Jon Tester – http://freepages.rootsweb.com
Genealogy of Jon Tester (focusing on his father’s side) – https://www.geni.com