Jerusalem (Old city) - Church of the Holy Sepulchre (Martyrion / Basilica of Constantine)

Source: 
Cyr. Scyth., Vita Sabae
Abbreviation for Journals and Series
Paragraph: 
19
Translation: 

There was then present a certain Cyriacus, a man worthy of mention, who was priest and hegumen of the (church of) the holy Resurrection and a Warden of the Cross. <Cyriacus stands by Sabas as his rebel monks deride him in front of the archbishop.>

(transl. Leah Di Segni)

Summary: 
Mention of Cyriacus, priest and abbot of the church of the Holy Resurrection and a Warden of the Cross, AD 490.