When was the brother of Alfrederick born who was also  three-time Olympic gold medalist ?
Al Joyner: Alfrederick "Al" Joyner (born January 19, 1960) is an American former athlete and now coach. Jackie Joyner-Kersee: Jacqueline "Jackie" Joyner-Kersee (born March 3, 1962) is an American retired track and field athlete, ranked among the all-time greatest athletes in the heptathlon as well as long jump.
i don't know