Bishop Leandro Arrúe Agudo, O.A.R., was the second Bishop of Jaro. He was born in Calatayud, Zaragoza, Spain, on 13 January 1837. He took vows as a professed religious in 1856, in Monteagudo, Navarre, as Fray Leandro Arrué de San Nicolás de Tolentino, in 1865.