Since reliquary crosses frequently take such a double-barred form, the use of a patriarchal cross in the royal arms would be a direct reference to and representation of this royal relic.
Kuna reliikvia ristid võtsid sageli sellise topelttõkestatud kuju, on patriarhaalse risti kasutamine kuninglikul vapil otsene viide sellele ja selle kuningliku reliikvia kujutis.