The term ‘Patriarch’ functions in the depth-psychology corpus primarily as an institutional and ecclesiological category rather than a psychological archetype, yet its weight as a locus of authority, legitimacy, and contested succession carries unmistakable structural resonance with depth-psychological concerns about the father-principle, hierarchical order, and the transmission of sacred power. Within the Seba library, the term is anchored most densely in Dvornik’s monumental study of the Photian Schism, where the Patriarchs of Constantinople—Ignatius, Photius, Nicholas, Stephen—serve as focal points around which questions of canonical legitimacy, imperial interference, and Roman primacy are dramatized. Dvornik’s rehabilitation of Photius as ‘great Patriarch and Father of the Eastern Church’ exemplifies how the figure of the Patriarch condenses narratives of wrongful deposition, historical calumny, and eventual restoration—a pattern structurally homologous to depth-psychological accounts of the suppressed father-imago. Louth’s treatment of Zizioulas adds a theological-ontological dimension: the bishop (and by extension the Patriarch) functions as the principle of unity in the eucharistic community, analogous to the Father’s role in the Trinity, raising questions about subordinationism and synodality that mirror psychological debates over authority and the collective. The Zen Patriarch lineage in Watts introduces an Eastern transmission model in which the title marks spiritual inheritance rather than jurisdictional power.