April 12 (Eastern Orthodox liturgics) - Wikipedia, the free ...
https://en.wikipedia.org/wiki/April_12_(Eastern_Orthodox_liturgics)
Jump to Pre-Schism Western Saints - Saint Vissia, a virgin-martyr in Fermo near Ancona in Italy ... Saint Constantine, the first Bishop of Gap in France (529) ...
On-line Calendar of Saints Days, April
medievalist.net/calendar/apr.htm
Hugh, bishop (of Grenoble), confessor [BLS; GTZ: southern France, Carthusians] ... April 12. Constantine, bishop (of Gap), confessor [GTZ: Gap] Erkenbodo ...