Paulinus was baptized by Bishop Delphinus ca 389 .
Paulinus pleads the case of Basilius in several letters to both Bishop Delphinus and Presbyter Amandus of Bordeaux (letters 12, 14, and 15). They indicate that Daducius, a nobleman from Aquitania, also held some property in Capua in Campania. For unknown reasons, Presbyter Basilius was expelled from the house in which he lived and which supposedly belonged to Daducius. See  and .
The dating of this letter is based on analysis of other letters sent by Paulinus to Amandus and Delphinus of Bordeaux (Walsh 1966: 1.234-235).