Frederick I (c. 1050 – 1105) before 21 July was

Duke of Swabia The Dukes of Swabia were the rulers of the Duchy of Swabia during the Middle Ages. Swabia was one of the five stem duchies of the medieval German kingdom, and its dukes were thus among the most powerful magnates of Germany. The most notable famil ...

from 1079 to his death, the first ruler from the

House of Hohenstaufen The Hohenstaufen dynasty (, , ), also known as the Staufer, was a noble family of unclear origin that rose to rule the Duchy of Swabia from 1079, and to royal rule in the Holy Roman Empire during the Middle Ages from 1138 until 1254. The dynas ...

(''Staufer'').

Life

Frederick was the son of

Frederick of Büren Frederick of Büren ( 1053) was a count in northern Swabia and an ancestor of the imperial Staufer dynasty., nn. 8 & 9. The name Frederick of Büren is known only from the ''Tabula Consanguinitatis'', a Staufer genealogy drawn up by the monk Wib ...

(c. 1020–1053), Count in the Riesgau and Swabian

Count Palatine A count palatine (Latin ''comes palatinus''), also count of the palace or palsgrave (from German ''Pfalzgraf''), was originally an official attached to a royal or imperial palace or household and later a nobleman of a rank above that of an ord ...

, with Hildegard of Egisheim- Dagsburg, a niece of

Pope Leo IX Pope Leo IX (21 June 1002 – 19 April 1054), born Bruno von Egisheim-Dagsburg, was the head of the Catholic Church and ruler of the Papal States from 12 February 1049 to his death in 1054. Leo IX is considered to be one of the most historically ...

and founder of the Abbey of Saint Faith in Schlettstadt,

Alsace Alsace (, ; ; Low Alemannic German/ gsw-FR, Elsàss ; german: Elsass ; la, Alsatia) is a cultural region and a territorial collectivity in eastern France, on the west bank of the upper Rhine next to Germany and Switzerland. In 2020, it had ...

. When Frederick succeeded his father, he had

Hohenstaufen Castle Hohenstaufen Castle (german: Burg Hohenstaufen) is a ruined castle in Göppingen in Baden-Württemberg, Germany. The hill castle was built in the 11th century, on a conical hill between the Rems and Fils rivers (both tributaries of the Necka ...

erected on the eponymous mountain in the

Swabian Jura The Swabian Jura (german: Schwäbische Alb , more rarely ), sometimes also named Swabian Alps in English, is a mountain range in Baden-Württemberg, Germany, extending from southwest to northeast and in width. It is named after the region of ...

range, which became the ancestral seat of the dynasty. He also founded a

Benedictine , image = Medalla San Benito.PNG , caption = Design on the obverse side of the Saint Benedict Medal , abbreviation = OSB , formation = , motto = (English: 'Pray and Work') , foun ...

abbey at the site of former Lorch Castle about 1100. By his mother he ruled over large Alsatian estates around Schlettstadt and Hagenau. When during the

Investiture Controversy The Investiture Controversy, also called Investiture Contest (German: ''Investiturstreit''; ), was a conflict between the Church and the state in medieval Europe over the ability to choose and install bishops ( investiture) and abbots of mona ...

the Swabian duke

Rudolf of Rheinfelden Rudolf of Rheinfelden ( – 15 October 1080) was Duke of Swabia from 1057 to 1079. Initially a follower of his brother-in-law, the Salian emperor Henry IV, his election as German anti-king in 1077 marked the outbreak of the Great Saxon Revolt an ...

was elected

anti-king An anti-king, anti king or antiking (german: Gegenkönig; french: antiroi; cs, protikrál) is a would-be king who, due to succession disputes or simple political opposition, declares himself king in opposition to a reigning monarch. OED "Anti-, ...

to King

Henry IV of Germany Henry IV (german: Heinrich IV; 11 November 1050 – 7 August 1106) was Holy Roman Emperor from 1084 to 1105, King of Germany from 1054 to 1105, King of Italy and Burgundy from 1056 to 1105, and Duke of Bavaria from 1052 to 1054. He was the son o ...

, Frederick remained a loyal supporter of the ruling

Salian dynasty The Salian dynasty or Salic dynasty (german: Salier) was a dynasty in the High Middle Ages. The dynasty provided four kings of Germany (1024–1125), all of whom went on to be crowned Holy Roman emperors (1027–1125). After the death of the la ...

. In turn Henry vested him with the Swabian ducal dignity in 1079 and also gave him the hand of his seven-year-old daughter

Agnes of Waiblingen Agnes of Waiblingen (1072/73 – 24 September 1143), also known as Agnes of Germany, Agnes of Poitou and Agnes of Saarbrücken, was a member of the Salian imperial family. Through her first marriage, she was Duchess of Swabia; through her secon ...

. Contested by Rudolf's son Berthold of Rheinfelden and Berthold of Zähringen, Frederick only ruled over the northern parts of the Swabian duchy down to

Ulm Ulm () is a city in the German state of Baden-Württemberg, situated on the river Danube on the border with Bavaria. The city, which has an estimated population of more than 126,000 (2018), forms an urban district of its own (german: link=no, ...

and the

Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...

River. Finally in 1098, he and Berthold of Zähringen reached a compromise, whereby his rival confined himself to the title of a "

Duke of Zähringen Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are ranke ...

". In the last years of his reign, Frederick was able to expand the Hohenstaufen territories northwards, when he assumed the office of a ''

Vogt During the Middle Ages, an (sometimes given as modern English: advocate; German: ; French: ) was an office-holder who was legally delegated to perform some of the secular responsibilities of a major feudal lord, or for an institution such as ...

'' (reeve) of Weissenburg Abbey and the

Bishopric of Speyer The Prince-Bishopric of Speyer, formerly known as Spires in English, (German: ''Hochstift Speyer, Fürstbistum Speyer, Bistum Speyer'') was an ecclesiastical principality in what are today the German states of Rhineland-Palatinate and Baden-Würt ...

Rhenish Franconia Rhenish Franconia (german: Rheinfranken) or Western Franconia () denotes the western half of the central German stem duchy of Franconia in the 10th and 11th century, with its residence at the city of Worms. The territory located on the banks of ...

Marriage and issue

About 1086/87, Frederick married Agnes, daughter of Emperor Henry IV. They had several sons and daughters, amongst whom were: * Frederick II (1090–1147), succeeded as

in 1105, father of Emperor

Frederick Barbarossa Frederick Barbarossa (December 1122 – 10 June 1190), also known as Frederick I (german: link=no, Friedrich I, it, Federico I), was the Holy Roman Emperor from 1155 until his death 35 years later. He was elected King of Germany in Frankfurt ...

* Conrad III, King of Germany (1093–1152), elected

King of the Romans King of the Romans ( la, Rex Romanorum; german: König der Römer) was the title used by the king of Germany following his election by the princes from the reign of Henry II (1002–1024) onward. The title originally referred to any German k ...

in 1138 * Berta of Boll (d. before 1142), married Adalbert of Ravenstein, Count of

Elchingen Elchingen is a municipality about 7 km east of Ulm–Neu-Ulm in the district of Neu-Ulm in Bavaria, Germany. Municipality parts: * Thalfingen: 4 211 residents, 8.83 km² * Oberelchingen: 3 024 residents, 7.31 km² * ...

, their daughter Liutgard married

Conrad, Margrave of Meissen Conrad I ( – 5 February 1157), called the Great (german: Konrad der Große), a member of the House of Wettin, was Margrave of Meissen from 1123 and Margrave of Lusatia from 1136 until his retirement in 1156. Initially a Saxon count, he became t ...

* Heilika, who married Frederick III of Pettendorf-Lengenfeld-Hopfenche, their daughter

Heilika of Pettendorf-Lengenfeld Heilika of Pettendorf-Lengenfeld (also known as ''Eilika''; – 14 September 1170; buried in Ensdorf Abbey) was by marriage Countess Palatine of Bavaria. She was one of the two daughters of the edelfrei Lord Frederick III of Pettendorf-Len ...

married

Otto IV, Count of Wittelsbach Otto V, Count of Wittelsbach ( – 4 August 1156), also called Otto IV, Count of Scheyern, was the second son of Eckhard I, Count of Scheyern and Richardis of Carniola and Istria. Otto named himself ''Otto of Wittelsbach'', after Wittelsbach Ca ...

* Gertrud, married Hermann III of Stahleck,

Count Palatine of the Rhine The counts palatine of Lotharingia /counts palatine of the Rhine /electors of the Palatinate (german: Kurfürst von der Pfalz) ruled some part of Rhine area in the Kingdom of Germany and the Holy Roman Empire from 915 to 1803. The title was a kind ...

* Richildis, married Hugh I, Count of Roucy After Frederick's death, Agnes secondly married the

Babenberg The House of Babenberg was a noble dynasty of Austrian Dukes and Margraves. Originally from Bamberg in the Duchy of Franconia (present-day Bavaria), the Babenbergs ruled the imperial Margraviate of Austria from its creation in 976 AD until its ...

margrave Leopold III of Austria in 1106. Both are buried in

Klosterneuburg Monastery Klosterneuburg Abbey or Monastery (german: Stift Klosterneuburg) is a twelfth-century Augustinian monastery of the Roman Catholic Church located in the town of Klosterneuburg in Lower Austria. Overlooking the Danube, just north of the Vienna city ...

References

Sources

* * * * * * * {{DEFAULTSORT:Frederick 01, Duke of Swabia Hohenstaufen Dukes of Swabia 1050s births 1105 deaths Year of birth uncertain

Life

Marriage and issue

See also

References

Sources