What is the theological justification for believing in the real presence of Mary in the Eucharist?

I stumbled across the wikipedia article for a sedevacantist, schismatic Catholic group called the Palmarian Catholic Church which states that this group > has also declared the Real Presence of the Virgin Mary in the sacred host and the bodily assumption into heaven of St. Joseph to be dogmas of the Catholic faith I don't really know whether I should be shocked, outraged, amused or curious, but I'll go with curious. Would anyone happen to know the theological justification for the dogma of the Real Presence of Mary in the Eucharist?