Saints Plutarch, Serenus, Heraclides, Heron, Serenus, Rhais, Potamiœna and Marcella (died between 202–205 AD) were Christian martyrs in Egypt under the persecution of the Roman emperor Septimius Severus. Their feast day is 28 June.
Roman Martyrology
The Roman Martyrology as of 1916 for the twenty-eighth day of June says,
Monks of Ramsgate account
The monks of St Augustine's Abbey, Ramsgate wrote in their Book of Saints (1921),
Butler's account
The hagiographer Alban Butler (1710–1773) wrote in his Lives of the Fathers, Martyrs, and Other Principal Saints under June 28,
Notes
Sources