The biography of Steve Jobs written by Walter Isaacson does deliver some information that will perhaps disappoint even those who have followed Jobs closely during his career. One such episode regards Lisa Brennan-Jobs.

Isaacson delves into the story of Lisa Brennan-Jobs, the daughter Jobs fathered when he was young but refused to acknowledge, forcing Chris-Ann Brennan, her mother, to live for a time on welfare and food stamps, and later on a meager subsidy even while Jobs became one of the wealthiest people in America.

Jobs later acknowledged Lisa and, at age 14, she moved in with Jobs and his new family, after some kind of difficult situation that Isaacson hints at but, for reasons that are unclear, decides not to divulge completely. Even then, though, Jobs and his daughter had a rocky, on-and-off relationship, with the tech titan often cutting his daughter off when they had disagreements.

I've done a lot of things I'm not proud of, such as getting my girlfriend pregnant when I was 23 and the way I handled that, Jobs had said. But I don't have any skeletons in my closet that can't be allowed out.

In California, my mother had raised me mostly alone, Lisa wrote in her story Tuscan Holiday in Vogue magazine. We didn't have many things, but she is warm and we were happy. We moved a lot. We rented. My father was rich and renowned and later, as I got to know him, went on vacations with him, and then lived with him for a few years, I saw another, more glamorous world. The two sides didn't mix, and I missed one when I had the other. 

Lisa Nicole Brennan-Jobs is currently a journalist and magazine writer. She graduated from Harvard's school of journalism in 2000 and then moved to Europe. Her writings have been published in The Southwest Review, The Massachusetts Review, Harvard Crimson, The Harvard Advocate, Spiked, Vogue and O, The Oprah Magazine.