Pete Wentz was born Peter Lewis Kingston Wentz III, in Wilmette, Illinois, a suburb of Chicago, Illinois. He is the son of Dale Wentz, a High School admissions counselor; and Pete Wentz II, a lawyer. He attended New Trier High School and North Shore Country Day School, where he was an all-state soccer player. After graduating from high school in 1997, he attended DePaul University where he studied political science, dropping out one semester shy of graduation to focus more on music.

Wentz recalled in a Rolling Stone interview that his earliest musical memory was listening to The Foundations' song "Build Me Up Buttercup" in the back of his dad's car.

Pete is the oldest of three children. He has a brother named Andrew, and a younger sister named Hillary.

Wentz is of Native Hawaiian and German ancestry.

--Wikipedia