[SunkenCiv]

No one will ever be descended from Bill Clinton. ;’)

[Scoutmaster]

No one will ever be descended from Bill Clinton

That's the thing about the mumps.

[muawiyah]

Billzo probably suffers from indeterminate infertility.

Remember, this guys parents both belonged to the Church of the First Born. They are well known for frequent remarriage (serial polygamy). After studying the phenomenon (shown in the genealogies) for many years I've decided it's probably a way around a widespread problem with fertility.