If so , then Theosebia was the sister of Basil the Great as well .
Some historians supposed Theosebia was the wife of Gregory of Nyssa , others suppose she was one of his sisters like Macrina the Younger .
If so , then one was the sister of Basil the Great as well .
Some historians supposed Theosebia was the wife of Gregory of Nyssa , others suppose she was one of his sisters like Macrina the Younger .