Cited by Name: The Belgic Confession's Direct Appeal to the Nicene Creed

Ordained Minister, M.Div.
August 17, 2026
3 min read

Article 9 of the Belgic Confession, titled "The Proof of the Foregoing Article of the Trinity of Persons in One God," does something worth pausing on: rather than simply restating Trinitarian doctrine in its own new language, it explicitly appeals to the ancient ecumenical creeds — the Nicene Creed by name among them — as part of its own proof and confessional foundation, over twelve centuries after Nicaea's bishops first gathered.
What Article 9 Does
Having stated its own Trinitarian doctrine in Article 8, the Belgic Confession's Article 9 turns to establish that this doctrine is not a Reformed-era innovation but the church's ancient, settled confession. It explicitly states that this teaching is confirmed by "the testimonies of the holy fathers" and formally receives "the three creeds, namely, that of the Apostles, of Nicaea, and of Athanasius" as faithful expressions of this same doctrine — naming the Nicene Creed specifically as part of the historical and confessional evidence for Trinitarian orthodoxy.
Why a Reformed Confession Needed This
This might seem, at first glance, like an unnecessary gesture — why would a confession as theologically self-sufficient as the Belgic Confession need to lean on earlier documents for support? The answer lies in the same concern that shaped confessions across the Reformation era: establishing continuity with the ancient, undivided church, and thereby answering any suggestion that Reformed theology represented some novel departure from historic Christian orthodoxy on a doctrine as foundational as the Trinity.
By citing Nicaea directly, Guido de Brès and the Belgic Confession's other framers were making a specific claim: that the Reformed churches of the Low Countries, for all their genuine disagreements with Rome on justification, the sacraments, and church authority, stood in complete and explicit continuity with the ancient church on the doctrine that mattered most for basic Christian orthodoxy — the very nature of God himself.
A Pattern Repeating Across Traditions
This citation places the Belgic Confession alongside other Reformation-era documents making similar moves — the Anglican Thirty-Nine Articles' own explicit naming of the same three ecumenical creeds in Article VIII, composed within just a few years of the Belgic Confession itself, though independently and in a very different national context. Two Reformation confessions, developed on different sides of the English Channel with limited direct coordination, arrived independently at the same conviction: that genuine Reformation faithfulness required explicit, textual continuity with Nicaea's settled Trinitarian conclusion, not merely implicit theological agreement.
What This Reveals About the Nicene Creed's Lasting Authority
What Article 9's direct citation demonstrates is how thoroughly the Nicene Creed's formula had become, by the sixteenth century, the assumed baseline for orthodox Trinitarian confession across virtually every major stream of Western Christianity — Catholic, Anglican, and Reformed alike appealing to the same fourth-century document as settled, shared ground even amid their sharp disagreements on nearly everything else. The word homoousios, coined at Nicaea specifically to exclude Arianism, had become, twelve centuries later, common confessional property spanning traditions that agreed on very little else.
Read the Belgic Confession's own side of this citation at BelgicConfession.net.


