Robin McLaurin Williams was born at St. Luke's Hospital, in Chicago, Illinois on July 21, 1951. His father, Robert Fitzgerald Williams, was a senior executive in Ford Motor Company's Lincoln-Mercury Division. His mother, Laurie McLaurin, was a former model from Jackson, Mississippi. Through her, he was a great-great-grandson of Mississippi senator and governor Anselm J. McLaurin. Williams had two elder half-brothers; paternal half-brother Robert (also known as Todd) and maternal half-brother McLaurin. He had English, Scottish, Welsh, Irish, French, and German ancestry.