Complex sentence: Gregory of Narek is venerated as a saint by the Armenian Catholic Church and recognized as a saint of the Roman Catholic Church, his name listed officially among the saints for 27 February in the Martyrologium Romanum.
Split into simpler sentences: Gregory of Narek is recognized as a saint by the Roman Catholic Church, and is particularly venerated among Catholics of the Armenian rite. His name is listed among the saints for 27 February in the Martyrologium Romanum.