Rev. Alban Butler (171173). Volume IV: April. The Lives of the Saints. 1866.
April 21
St. Anastasius, Surnamed the Younger, Patriarch of Antioch, Martyr
HE succeeded St. Anastasius I. In 610, he was slain by the Jews, in a sedition, on the 21st of December, and in the Roman Martyrology is honoured on that day as a martyr.