http://www.vatican.va/holy_father/paul_vi/apost_exhortations/documents/hf_p-vi_exh_19740202_marialis-cultus_en.html
14. The Church prays fervently to Mary on behalf of her children who have come to the hour of their death.(40) The Church asks Mary's intercession for those who have closed their eyes to the light of this world and appeared before Christ, the eternal Light";(41) and the Church, through Mary's prayers, invokes comfort upon those who in sorrow mourn with faith the departure of their loved ones.