It was established as a devotion with prayers already formulated and special exercises , found in the writings of Lanspergius ( d. 1539 ) of the Carthusians of Cologne ; the Louis of Blois ( Blosius , 1566 ) , a Benedictine and Abbot of Liessies in Hainaut , John of Avila ( d. 1569 ) and St. Francis de Sales , the latter belonging to the seventeenth century .
For example , the devotion used the writings of Lanspergius ( d. 1539 ) of the Carthusians of Cologne and of Louis of Blois ( Blosius ; 1566 ) , who was a Benedictine and Abbot of Liessies in Hainaut .