http://sportsillustrated.cnn.com/vault/article/magazine/MAG1122922/index.htm
Actually, in the Bol family, 7'6" is not all that outstanding: Ma Bol was 6'10" and Pa Bol was 6'8". Grandpa Bol Chol, chief of the Thwig tribe, is said to have been 7'10", but he was born too early to be discovered by American hoop recruiters. Bol's sister, also named Abouk, who has never seen a basketball, is back home tending his 150 cattle. She's 6'8".