| Zeph Burns|
|Relatives|| Half-Siblings: Charles Montgomery Burns, George Burns and 10 other unnamed children|
Parents: Unknown father and Daphne Burns
Step-father: Clifford Burns
|First Appearance||The Simpsons Uncensored Family Album|
According to The Simpsons Uncensored Family Album, his father is unknown, so Clifford is not his biological father.
Since it was mentioned that Daphne had an affair with President Taft, it could be possible that Zeph is Taft's son.