Family tree of Jordan B. Peterson

Jordan Bernt Peterson (born 12 June 1962) is a Canadian professor of psychology, clinical psychologist, YouTube personality, and author.

His last name Peterson is a Scandinavian name, his paternal great-great-grandfather Hans Petersen (1857–1931) was born Segalstad, Gausdal, Oppland, Norway and passed away in Vang, Cavalier County, North Dakota, United States

Source:

https://nationalpost.com/opinion/jordan-peterson-i-love-my-mother-and-i-like-her-too

https://www.jordanbpeterson.com/family/thoughts-on-my-mothers-80th-birthday/