R. A. Stewart Macalister in his Corpus Inscriptionum Insularum Celticarum published in 1949 stated that an inscription in a panel on the side of the cross read REGIS RICATI CRUX, translating to "Cross of King Ricatus".
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The sixteenth-century Cornish language drama Beunans Meriasek ('The Life of St Meriasek') at lines 2463-65 mentions four Cornish kings.