The collection of biographies are not all stories of bliss. While it is true most married saints had pious spouses, some were unevenly yoked with pagans. Along with her daughters Saint Domnina was turned over, by her husband, to soldiers. Only a last-minute escape saved them from execution. The lives are marked by other differences.
Saints rise from various economic situations, from varying cultures and vastly different ages.
Some lived as brother and sister though the the majority presented here had children.