Peter of Sebaste

Our Father among the saints Peter of Sebaste was the youngest member of a large family of distinguish Christians that included Ss Macrina the Elder , Basil the Elder , Emily , Theosebia the Deaconess , Macrina the Younger , Basil the Great , Naucratius and Gregory of Nyssa . He served as bishop of Sebaste in Armenia and participated in the Second Ecumenical Council . He is commemorated on January 9 .

Source: OrthodoxWiki