Rev. Alban Butler (1711–73). Volume IV: April. The Lives of the Saints. 1866.
April 21St. 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. | 1 |