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Guido de Brès: The Martyr Who Wrote the Belgic Confession

Rev. C•D•F• Warrington, M.Div.
By Rev. C•D•F• Warrington, M.Div.

Ordained Minister, M.Div.

March 28, 2026

3 min read

belgic confession
Guido de Brès the martyr who wrote the Belgic Confession and died for his faith

Behind every great confession of faith stands a human story. The story behind the Belgic Confession is one of extraordinary courage, pastoral devotion, and ultimate martyrdom. Guido de Brès was not a safe man writing from a comfortable study. He was a pastor in hiding, shepherding a persecuted church, and he paid for his convictions with his life.

Early Life and Conversion

Guido de Brès was born around 1522 in Mons, in the Spanish-controlled province of Hainaut (now southern Belgium). He came from a family of craftsmen and was drawn to the Reformed faith through the influence of Protestant preaching and Scripture. As a young man he left the Low Countries for England, where he encountered the Reformed theology that would shape the rest of his life.

Pastoral Ministry in Dangerous Times

De Brès returned to the Low Countries as a Reformed minister, moving from city to city under constant threat of arrest. Philip II of Spain had inherited the Low Countries from his father Charles V and was determined to stamp out Protestantism. De Brès ministered secretly, often in private homes and barns, gathering congregations of believers who risked their lives to hear the gospel.

Writing the Confession

In 1561, de Brès composed his confession of faith in French, drawing heavily on the French Reformed Confession of 1559 and the thought of John Calvin. He threw a copy over the castle walls at Doornik, along with a letter to the king, pleading that the Reformed believers were not seditious rebels but peaceful Christians. The authorities were not persuaded. De Brès had to flee, and his wife and children were arrested in his place.

Arrest and Martyrdom

De Brès continued his ministry for several more years before being captured in 1567 during the Duke of Alba's brutal crackdown on Protestantism in the Low Countries. He was imprisoned, tried, and condemned. During his imprisonment he wrote letters of extraordinary comfort and encouragement to his wife and congregation. On May 31, 1567, he was hanged. He was forty-five years old.

The confession de Brès died for was revised and adopted at the Synod of Dort in 1619 and has been the doctrinal standard of Reformed churches in the Dutch tradition ever since. In his death, de Brès joined the long line of martyrs whose blood, as Tertullian wrote, is the seed of the Church. For the full history and documentary sources of the Belgic Confession, Gootjes' research is the definitive scholarly treatment.

Tags:belgic confessionchurch historyreformed

Frequently Asked Questions

Who was Guido de Brès and what did he write?

Guido de Brès (1522–1567) was a Reformed pastor and theologian from Mons in the Low Countries who authored the Belgic Confession in 1561. He composed the confession as an apology to King Philip II of Spain, seeking to demonstrate that the Reformed believers in the Netherlands were not seditious rebels but orthodox Christians. De Brès was significantly influenced by John Calvin and studied in Geneva before returning to pastor congregations under Spanish persecution.

How did Guido de Brès die and why is he considered a martyr?

Guido de Brès was arrested by Spanish authorities in 1567, tried for heresy and sedition, and executed by hanging in Valenciennes on May 31, 1567. His death came in the context of the Duke of Alba's brutal suppression of Protestant Christianity in the Spanish Netherlands, which claimed thousands of Reformed martyrs. De Brès is honored as a martyr in the Reformed tradition because he suffered death specifically for his Protestant faith and his refusal to recant the confession he had written.

What is the Belgic Confession and what does it teach?

The Belgic Confession is a thirty-seven article Reformed confession of faith adopted by Reformed churches in the Netherlands and eventually incorporated into the Three Forms of Unity alongside the Heidelberg Catechism and the Canons of Dort. It covers the full range of Christian doctrine from the nature of God and Scripture's authority through the church, sacraments, and civil government. The confession's treatment of Scripture in articles two through seven, including the list of canonical books, has been particularly influential in Reformed doctrine of Scripture.

How did the Belgic Confession influence Reformed churches worldwide?

The Belgic Confession spread with Dutch Reformed emigrants throughout the world, becoming a confessional standard in the Netherlands, South Africa, the United States, Canada, and wherever Dutch Reformed communities established themselves. The Christian Reformed Church, the Reformed Church in America, and the Canadian Reformed Churches all maintain the Belgic Confession as one of their subordinate standards. Its influence is particularly strong in Reformed communities with Dutch heritage but extends to any church adopting the Three Forms of Unity.

What are the Three Forms of Unity in Reformed theology?

The Three Forms of Unity are the three confessional documents that together define the doctrinal standards of most Dutch Reformed and continental Reformed churches: the Belgic Confession (1561), the Heidelberg Catechism (1563), and the Canons of Dort (1619). Together they address the full range of Reformed doctrine, with the Belgic Confession providing a systematic overview, the Heidelberg Catechism offering catechetical instruction, and the Canons of Dort defending the doctrines of grace against Arminianism. These three documents function analogously to the Westminster Standards in Presbyterian churches.

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