Feast of Saint Peter Nolasco

Our Lady of Mercy with Saint Peter Nolasco and Saint Raymond Nonnatus 

(who is the Patron Saint of Child Birth- Nonnatus House features in the BBC Series, Call the Midwife)

Saint Peter founded the Royal, Celestial and Military Order of Our Lady of Mercy and the Redemption of the Captives (Latin: Ordo Beatae Mariae de Mercede Redemptionis Captivorum, abbreviated O. de M.), also known as the Mercedarians, in 1218 in the City of Barcelona, at that time the capital of the Principality of Catalonia, part of the Crown of Aragon, for the redemption of Christian captives.  Its members are most commonly known as Mercedarian friars or nuns. One of the distinguishing marks of the Order of the Blessed Virgin Mary of Mercy is that, since its foundation, its members are required to take a fourth vow: to die, if necessary, for another who is in danger of losing their faith. (From Wikipedia)