This study explores the roles medieval Ethiopian Saints’ families played for personality development of the Saints. The study specifically focused on the roles families played with respect to four themes: parent personality and parenting style, lived experience, experienced faith, and schooling. These themes are among factors that affect the personality development of children. In order to meet the objective of the study, qualitative research method was employed. Based on purposeful sampling technique, ten critical editions of medieval Ethiopian Saints’ gädlat were selected and analyzed. The aforementioned themes were further divided in to manageable details and were examined. Parent personality was found to be high in agreeableness, low in neuroticism, and high in conscientiousness. As a result, useful personality descriptors were identified being owned by the medieval Ethiopian Saints’ families. Furthermore, the child-rearing style the studied families used to raise their children was found to be authoritative. The life practices of these families were found to be helpful in exposing children to a variety of positive experiences during the children’s childhood. The contribution of families towards faith development of their children was also found significant. The studied parents gave love and strong attachment to their children which helped the children to build trust on their parents and others. Another important role found being played by families was schooling. Regarding this theme, families played their role from three perspectives: some parents taught their children, some other parents arranged for their children to learn at home by other teachers, and other parents