Redemptoris Mater is the title of a Mariological encyclical by Pope John Paul II.
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and today there are Redemptoris Mater Seminaries all over the world in places such as Managua (Nicaragua), Rome (Italy), Kearny (NJ, USA), Madrid (Spain), Berlin (Germany), Guam, Sarajevo (Bosnia and Hercegovina), Santo Domingo (Dominican Republic), and Warsaw (Poland).
All that is known about his life is that he was choirmaster in Auch, the historical capital of the region, in 1556, as mentioned on the title page of Du Chemin's publication of his Missa Alma Redemptoris Mater.