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Chlothar I: The Last Son of Clovis

Chlothar I: The Last Son of Clovis

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511 à 561

Division of the Frankish kingdom after Clovis The division of the Frankish kingdom after the death of Clovis (511) — Source: Wikimedia Commons

Chlothar I was the youngest of Clovis’s sons.
His reign spans half a century and covers the entire first Merovingian generation.

He took part in:

  • wars between brothers
  • external conquests
  • dynastic power struggles

Little by little, he recovered the territories of the other branches of the family.

In 558, he became the sole king of the Franks, reuniting for a few years the kingdom founded by his father.

But this unity depended only on the person of the king: no durable institution guaranteed the stability of the realm.

⏳ Quick timeline

  • 511: division of Clovis’s kingdom; Chlothar becomes king of Soissons.
  • 524: death of Clodomir during the war against the Burgundians.
  • 531: victory over the kingdom of Thuringia with Theuderic.
  • 534: final conquest of the Burgundian kingdom.
  • 548–555: reign of Theudebald in Austrasia.
  • 555: death of Theudebald; Chlothar annexes Austrasia.
  • 558: death of Childebert; Chlothar becomes sole king of the Franks.
  • 561: death of Chlothar; new division of the kingdom.

🧩 A kingdom born from division (511)

Like his brothers, Chlothar received a portion of Clovis’s kingdom.

His territory was centred on Soissons and included part of northern Gaul.

In Frankish tradition:

  • the kingdom is considered a family possession
  • each son receives a share
  • all bear the title of king

This created a particular situation:

several kings ruled Frankish Gaul at the same time.

They could cooperate against an external enemy… but remained rivals for control of territory.

Chlothar’s kingdom included several important regions of northern Gaul:

  • the region of Soissons, the initial centre of his power
  • part of the Oise valley
  • territories situated between the kingdoms of his brothers

This geographic position gave him a strategic advantage:
he stood at the heart of the Frankish lands and could intervene quickly in conflicts between his brothers.

⚔️ Rivalries between brothers

Clovis’s sons each ruled their own kingdom:

  • Theuderic I (Austrasia)
  • Clodomir (Orléans)
  • Childebert I (Paris)
  • Chlothar I (Soissons)

Alliances often shifted.

A king could support one brother against another, then turn against him a few years later.

These rivalries shaped Frankish politics for decades.

For Chlothar, these struggles were also opportunities: each dynastic crisis could allow him to expand his kingdom.

⚖️ 524: the death of Clodomir

In 524, King Clodomir died during a war against the Burgundians.

He left several sons who were still children.

For Chlothar and Childebert, the situation was dangerous:
if these children inherited the kingdom, a new powerful branch of the dynasty could emerge.

According to Gregory of Tours, the two kings decided to have Clodomir’s children executed.

Only one survived:

Clodoald, who chose religious life and became Saint Cloud.

Clodomir’s lands were then divided among his brothers.

This episode shows the extreme violence of Merovingian rivalries.

🛡️ External conquests

531: the war against Thuringia

Chlothar also took part in the war against the kingdom of Thuringia, located east of the Rhine.

With his brother Theuderic I, he faced the Thuringian king Hermanfrid.
The Franks won and the Thuringian kingdom disappeared.

This conquest made it possible to:

  • extend Frankish influence toward central Europe
  • control new trade routes
  • integrate new populations into the orbit of the Frankish realm

The war also had a dynastic consequence: the Thuringian princess Radegund was captured and brought to the Frankish court.

Burgundy (534)

Burgundian kingdom The Burgundian kingdom in the 5th century — Source: Wikimedia Commons

The Burgundian kingdom was one of the richest states in Gaul.

After several military campaigns, the Frankish kings managed to conquer it in 534.

This conquest made it possible to:

  • extend Frankish domination over all of eastern Gaul
  • seize rich cities such as Lyon and Vienne
  • greatly increase the kingdom’s resources

Radegund: a captive princess who became a saint

Among the captives from the Thuringian war was Radegund, a princess of royal blood.

Chlothar took her as his wife a few years later.

However, life at the Merovingian court was marked by political violence.
Radegund eventually chose to leave the court and devote herself to religious life.

She founded a monastery in Poitiers, which became one of the major spiritual centres of Merovingian Gaul.

After her death, she was venerated as Saint Radegund.

👑 Marriages and dynastic politics

Like many Merovingian kings, Chlothar used marriage as a political tool.

Marriage alliances made it possible to:

  • consolidate relations with other elites
  • integrate newly conquered territories
  • strengthen the legitimacy of royal power

Among his wives were:

  • Ingund, one of his first wives
  • Aregund, Ingund’s sister
  • Radegund, Thuringian princess captured during the conquest of Thuringia
  • Vuldetrada, widow of Theudebald of Austrasia

These marriages illustrate the political dimension of royal unions in the Merovingian world.

🏛️ 555: Austrasia falls under his control

After the death of King Theudebert I, Austrasia was ruled by his son Theudebald.

But he died young in 555.

Chlothar intervened quickly and recovered this kingdom.

To strengthen his position, he married Vuldetrada, Theudebald’s widow.

The Church condemned this marriage as incestuous, and it was annulled.

Despite this, Austrasia remained under his authority.

👑 558: the Frankish kingdom reunified

The last obstacle disappeared in 558, when Childebert I died without an heir.

Chlothar recovered his territories.

For the first time since Clovis’s death, the Frankish kingdom was reunited under a single king.

This reunification then covered almost all of Gaul.

However, it remained fragile: it depended only on the sovereign’s personal authority.

⚖️ Governing Merovingian Gaul

Chlothar’s power rested on several pillars.

Bishops

Bishops often held strong local authority.

They took part in:

  • organising justice
  • mediating between kings and populations
  • managing the Church’s resources

In some cities, the bishop was even one of the main representatives of royal power.

Merovingian kings therefore maintained close relations with the Church to strengthen their legitimacy.

Local elites

Gallo-Roman aristocracies kept significant influence in cities.

The Frankish army

The king had to maintain the loyalty of his warriors by distributing:

  • booty
  • land
  • honours

🧩 561: a fragile legacy

Chlothar died in 561.

Like his father Clovis before him, he divided the kingdom among his sons:

  • Charibert I
  • Guntram
  • Sigebert I
  • Chilperic I

Frankish Gaul was therefore divided once again.

This new generation of kings would open an even more violent period of dynastic rivalries.

🧠 Key takeaways

  • Chlothar I is the last surviving son of Clovis.
  • He gradually expands his kingdom through war and inheritance.
  • 558 marks the reunification of the Frankish kingdom.
  • 561: after his death, the kingdom is divided again among his sons.

Chlothar embodies the Merovingian logic:
a powerful but fragile monarchy, where unity depends above all on the king’s personality.

📚 Sources

Primary sources (public domain)

Free historical resources

Image credits

  • Map of the Frankish kingdom in the 6th century — Romain0, Public domain, via Wikimedia Commons
  • Burgundian kingdom — G CHPtranslator: Manlleus (ca), CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
  • King Chlothar I — Jean Louis Bezard, Public domain, via Wikimedia Commons

Zooms

Theudebald: A King Too Young to Rule

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558: How Chlothar Rebuilds the Kingdom

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