Vicente, Sabina and Cristeta are brothers. They were born and live in Talavera (Toledo). The three enjoy their youth-Cristeta, almost child-and, as in so many homes after the death of the parents, which makes Vincent head is the largest.The link to that source in Spanish is here if anyone's inclined to work up their own translations and post corrections.
Okay, here's the story as best I have it. A young man named Vincent is heading a household in Toledo (Spain, not Ohio) with his younger sisters, Sabina and Christeta. Diocletian's order to kill all the Christians reaches Spain, and the proconsul, a nasty piece of baggage named Dacian, starts working his way through the province to proclaim and enforce it. He's got quite a trail of martyrs and apostates behind him when he reaches Toledo.
|Saint Vincent and his sisters suffering torture before their execution|
The three make it all the way to Avila before Juanny Law's long arm wraps around them. They are tortured in all the most creative ways before finally being killed. Then their bodies are tossed outside the city walls to feed the scavengers.
|Saints being crushed -- perhaps coup de grace?|
The Basilica of Saint Vincent in Avila is a pretty impressive structure with some bas-reliefs of the story.