The Passion of the Holy Martyrs Saints John and Paul, as recounted in the pre-Tridentine Breviary according to the Use of the Roman Curia.
|The exterior of the church of Ss John and Paul, which was completely rebuilt in the 12th century.|
A later and apocryphal tradition says that Julian the Apostate was killed by a Christian soldier in his army named Mercurius, (who is honored in the East as a Saint), as depicted here in a Coptic icon. (image from wikipedia.) The true historical date of Julian’s death is the same as the feast of Ss John and Paul, June 26th.
R. This is the true brotherhood, which could never be injured in the struggle; who by shedding their blood, followed the Lord. * Disdaining the palace of the king, they came to the heavenly kingdom. V. Behold how good and how pleasant it is for brethren to dwell in unity. Disdaining. Glory be to the Father. Disdaining.
In the Breviary of St Pius V and its predecessors, this responsory is said on the feasts of Several Martyrs who are also brothers. The devotion to John and Paul is one of the oldest in the city of Rome, and the responsory was almost certainly originally written for their feast day.