(note) Luxemburg's Bequest of 5 Hefen in 1030 AD, Scharzhofberg

Who Was Adalbero von Luxemburg?

Adalbero von Luxemburg (late 10th century – c. 1036/1037) was a prominent noble and cleric from the House of Ardenne–Luxembourg.

High-Noble Lineage: He was a son of Count Siegfried von Luxembourg (the founder of Luxembourg) and the brother of Empress Cunigunde (the wife of Holy Roman Emperor Henry II).

Ecclesiastical Career: He served as the Provost of the St. Paulin monastery in Trier. In 1008, he attempted to claim the position of Archbishop of Trier in a power struggle against the Emperor, securing control of Trier, the archiepiscopal palace, and the Moselle bridge before eventually settling into his position as Provost at St. Paulin.

How He Came to Gift the Five Hufen in 1030 (* note 1)

The 1030 land grant to the Abbey of Sankt Maria ad Martyres (St. Mergen) was rooted in the religious, political, and economic practices of the 11th-century Holy Roman Empire:

Bequeathment for Soul-Healing (Pro Anima): In medieval Europe, high-ranking nobles and clergy frequently bequeathed land and property (Hufen) to monastic orders to secure prayers for their salvation, establish memorial services (anniversaria), and demonstrate religious piety.

Consolidating Family & Monastic Alliances: The House of Luxembourg held vast regional estates across the Moselle and Saar valleys. By granting five Hufen (a medieval unit of land) in the Wiltingen/Scharzhof area to St. Maria ad Martyres, Adalbero strengthened the financial footprint of one of Trier’s major monasteries while cementing his family's role as premier patrons of the region's sacred institutions.

Estate Building & Development: At the time of the grant in 1030, much of the agricultural and hillside land in the Saar region required organized labor to clear and cultivate. Giving the land to an active Benedictine monastery ensured that the monks would develop the estate, build agricultural infrastructure, and establish a permanent revenue-generating property.

How did von Luxembourg gain title, power and land to found Luxembourg?

The founding of Luxembourg is a classic story of medieval real estate strategy, royal connections, and tactical geographic choices. Count Siegfried (c. 922–998)—the founder of the House of Luxembourg—didn't conquer the territory by force, but rather secured it through high-born status and a clever land swap in 963 AD.

1. High-Born Lineage: His Title and Royal Blood

Siegfried didn't start from scratch; he was born into the highest tiers of Lotharingian (Lorraine) nobility.

Carolingian Descent: On his mother’s side, Siegfried was a direct descendant of Charlemagne.

Imperial Connections: His family (the House of Ardennes) held extensive hereditary estates across the Moselle, Ardennes, and Saar regions. He was also closely tied to the Holy Roman Emperor Otto I, who granted permission for his territorial moves.

Count Status: As a powerful Count of Ardennes, he held significant wealth and land along the rivers Sûre, Moselle, and Alzette, but his holdings were scattered and lacked a secure, fortified central stronghold.

2. The 963 AD Land Swap: Acquiring Lucilinburhuc

Siegfried recognized that the dramatic rocky promontory known as the Bock—overlooking a loop in the Alzette River—was a natural, impregnable military position. On it sat a small, ancient Roman watchtower or stronghold called Lucilinburhuc ("Little Fortress").

The land belonged to the powerful Abbey of St. Maximin in Trier. To acquire it, Siegfried proposed a formal exchange (exchange charter):

What he gave: Fertile agricultural lands he owned further north at Feulen (near modern Ettelbruck).

What he got: The rocky Bock promontory and the Lucilinburhuc stronghold.

This transaction, recorded on April 12, 963 AD, is officially recognized as the founding moment of Luxembourg.

3. Consolidating Power & Expanding the Realm

Once Siegfried took possession of the Bock, he immediately set to work:

Building a Castle: He expanded Lucilinburhuc into a formidable castle, which attracted soldiers, artisans, merchants, and a settlement that grew below in the valley.

Dynastic Marriage: He married Hedwig of Nordgau, linking his house with powerful dynastic families in Alsace and the Rhineland.

Aggressive Expansion: Over the next three centuries, Siegfried’s descendants—who officially began adopting the title Counts of Luxembourg with Conrad I—expanded their realm through tactical marriages, land purchases, feudal vassalage, and territorial wars.

From "Little Fortress" to Imperial Rulers

Siegfried’s purchase of a single rocky outcrop paid off exponentially. Within four centuries, the small county grew into a Duchy, and the House of Luxembourg became one of the most dominant royal dynasties in Europe—producing four Holy Roman Emperors (including Henry VII and Charles IV) and four Kings of Bohemia.

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* note 1: A hufen was a medieval system of measurement and it relied less on physical measurement but more on how much land was need to feed and support one family. For example if a land was particully fertile it might be a smaller measurement. If it was a rocky overgrown slope (like Scharzhofberg) it might be slighly larger. So 5 Hufen (20-30 acres each) would be eqilivant to land that would support 5 families. (100-150 acres in total)

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