Steve Jobs
Adopted by Paul and Clara Jobs, a couple who had been unable to have children, Apple founder Steve Jobs grew up in the part of Northern California now known as Silicon Valley with his adoptive sister Patti. Though he never met his birth parents, he did meet a biological sister, Mona Simpson, when he was 27.
He even went on to describe Simpson as “one of my best friends in the world,” according to The Telegraph. However close he became with her, the tech icon was always quick to point out that Paul and Clara were the only parents he ever knew.