Sandra Collins Good(born February 20, 1944 in San Diego, California) is an associate of Charles Manson and a close friend and former room-mate of Lynette "Squeaky" Fromme. She is also known as Blue, a name given to her by Manson because of her blue eyes. She has a son, Ivan, who was born on September 16, 1969. Various people have been named as the father, most notably Joel Pugh and Charles Manson. Both seem doubtful candidates. Wikipedia
The definitive Wikipedia entry for Sandra Good. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Sandra_Good