March 23 (Eastern Orthodox liturgics) - Wikipedia, the free ...
https://en.wikipedia.org/wiki/March_23_(Eastern_Orthodox_liturgics)
Saint Maidoc (Mo-Mhaedog), Abbot of Fiddown in Kilkenny in Ireland (5th century ) ... archbishop of Rostov (1481); Venerable Theodosius the Wonderworker, ...
Ephraim of Pereyaslavl - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Ephraim_of_Pereyaslavl
Saint Ephraim, metropolitan of Kyiv and All Rus', bishop of Pereyaslav ... by Saint Anthony of Kiev and was tonsured (March 23) by Saint Nikon the Chronicler, then ... the Rule, Theodosius implemented it in his monastery (the Pechersk Lavra). ... A tale and encomium for St Nicholas the Wonderworker is ascribed to Ephraim.