the devotion that she started was promoted by the venerable leo dupont. dupont prayed for and promoted the case for a devotion to the holy face of jesus for around 30 years. documents pertaining to the life of sister marie of st. peter and the devotion were kept by the church. eventually, in 1874 charles-théodore colet was appointed as the new archbishop of tours. archbishop colet examined the documents and in 1876 gave permission for them to be published and the devotion encouraged. the devotion to the holy face of jesus was eventually approved by pope leo xiii in 1885.