Curetán
In this hagiography , his Latin name is accompanied by a story of his Hebrew origins , a descendant of the sister of Saint Peter and Saint Andrew , who was first ordained as a priest by the Patriarch of Jerusalem , before travelling to Rome and becoming Pope , later resigning and moving to Pictland . 
<triplet> Saint Peter <subj> Saint Andrew <obj> sibling <subj> Pope <obj> position held <triplet> Saint Andrew <subj> Saint Peter <obj> sibling