Family tree of Larry Ellison

Lawrence Joseph Ellison was born in the Bronx on August 17, 1944, the son of a single mother named Florence Spellman. His biological father was an Italian–American United States Army Air Corps pilot. His name is unknown.

When he was 9 months old, baby Larry came down with pneumonia, according to Bloomberg. His mom sent him to Chicago to live with his aunt and uncle, Lillian and Louis Ellison.

According to Vanity Fair, Louis, his adoptive father, was a Russian immigrant who took the name “Ellison” in tribute to the place in which he entered the US: Ellis Island.