He is the only child of their marriage ; however , he does have two half-brothers , Earl Jr. ( born 1955 ) and Kevin ( born 1957 ) , and a half-sister , Royce ( born 1958 ) from the 18-year marriage of Earl Woods and his first wife , Barbara Woods Gray .
He does have two half-brothers , Earl Jr. ( born 1955 ) and Kevin ( born 1957 ) , and a half-sister , Royce ( born 1958 ) from the 18-year marriage of Earl Woods and his first wife , Barbara Woods Gray .