Rev. Alban Butler (171173). Volume V: May. The Lives of the Saints. 1866.
St. Marcou, or Marculfus, Abbot
HE was abbot of Nanteu, in the diocess of Coutances, in Normandy, famous for miracles, especially in healing the scrofulous disorder, called the kings evil. He died on the first of May, in 558, and is honoured in the Martyrologies of Coutances, Evreux, &c.