Isaac
Martyrological notice
Roman Martyrology index reference; the exact notice remains to be verified against the source text.
Historical martyrology witness · The Roman Martyrology (English, 1916)
Isaac, St., Monk, C Apr. 11
Communio Sanctorum
Roman Martyrology index reference; the exact notice remains to be verified against the source text.
Roman Martyrology index reference; the exact notice remains to be verified against the source text.
Isaac, St., Monk, C Apr. 11