If these words, taken from a manuscript preserved in the Vatican and dating from the year 1147, were for a bride and bridegroom, no one would find them startling: “Send down, most kind Lord, the grace of Thy Holy Spirit upon these Thy servants, whom Thou hast found worthy to be united not by nature but by faith and a holy spirit. Grant unto them Thy grace to love each other in joy without injury or hatred all the days of their lives.”

Beliefs – A study of medieval rituals in same-sex unions raises a question – what were they solemnizing? – NYTimes.com

hmmmm