Tim Witherspoon (born December 27, 1957) is an American former professional boxer who competed from 1979 to 2003. He is a two-time world heavyweight champion, having held the WBC title in 1984, and the WBA title in 1986. Upon winning his second world title, Witherspoon joined Floyd Patterson and Muhammad Ali as the only boxers to win multiple world heavyweight championships.
Tim Witherspoon never had children
A: It's impossible to say

Kazuhiro Wada ( , "Wada Kazuhiro" , born June 19, 1972 in Gifu, Gifu, Japan) is a retired Japanese professional baseball player. He played mostly as an outfielder for the Chunichi Dragons and the Seibu Lions of the Nippon Professional Baseball league in a career spanning 18 years. Following retirement in 2015, he has become a color commentator for Dragons broadcasts for the NHK.
Kazuhiro Wada was born after the year 1970
A: Yes

Christopher Lawrence (born 24 December 1956) is a classical musician, author, and conductor. He is most notable for his work as a broadcaster on Australian Broadcasting Corporation radio station ABC Classic FM, and previously on ABC Radio National and ABC Local Radio.
Christopher Lawrence (born 21 December 1936) is a classical musician, author, and conductor.
A:
No