Tarr, Judith. "Cowards Die: A Tragicomedy in Several Fits"
Divergence: 84 BCE
What if: Julius Ceasar's voicebox was permanently damaged by Sulla, and he was forced to grab power through the Roman underworld.
Summary: Centuries later, a young man from the Alexandria "family" is involved with an ambitious Roman woman.
Published: In Alternate Outlaws (ed. Mike Resnick), q.v.