The Arduinici were a

noble A noble is a member of the nobility. Noble may also refer to: Places Antarctica * Noble Glacier, King George Island * Noble Nunatak, Marie Byrd Land * Noble Peak, Wiencke Island * Noble Rocks, Graham Land Australia * Noble Island, Gr ...

Frankish Frankish may refer to: * Franks, a Germanic tribe and their culture ** Frankish language or its modern descendants, Franconian languages, a group of Low Germanic languages also commonly referred to as "Frankish" varieties * Francia, a post-Roman ...

family that immigrated to

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

in the early tenth century, possibly from

Neustria Neustria was the western part of the Kingdom of the Franks during the Early Middle Ages, in contrast to the eastern Frankish kingdom, Austrasia. It initially included land between the Loire and the Silva Carbonaria, in the north of present-day ...

. They were descended from and take their name after one Arduin (Hardouin). The first of the Arduinici to enter Italy was Roger, son of Arduin, who was established as

count Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...

(''comes'') at

Auriate {{No footnotes, date=June 2020 Auriate was a county in medieval Italy on the eastern slopes of the Western Alps lying between Cuneo and Saluzzo. The county existed from the late ninth century to the middle of the tenth. The name of the county survi ...

in the early tenth century. He extended his power and was succeeded by his son

Arduin Glaber Arduin Glaber (,'' Glabrione'', or'' il Glabro'', meaning "the Bald"; died c. 977) was count of Auriate from c. 935, count of Turin from c. 941/942, and Margrave of Turin from c. 950/964. He placed his dynasty, the Arduinici, on a firm foundatio ...

, named after his grandfather, who established the family as one of the most powerful in northwestern Italy. He conquered the

Susa Valley The Susa Valley (; ; ; ; ) is a valley in the Metropolitan City of Turin, Piedmont region of northern Italy, located between the Graian Alps in the north and the Cottian Alps in the south. It is one of the longest valleys of the Italian Alps. ...

and allied with

Provence Provence is a geographical region and historical province of southeastern France, which stretches from the left bank of the lower Rhône to the west to the France–Italy border, Italian border to the east; it is bordered by the Mediterrane ...

against the

Muslim Muslims () are people who adhere to Islam, a Monotheism, monotheistic religion belonging to the Abrahamic religions, Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God ...

Andalusian outpost of

Fraxinetum Fraxinetum or Fraxinet ( or , from Latin ''fraxinus'': " ash tree", ''fraxinetum'': "ash forest") was the site of a Muslim stronghold at the centre of a frontier state in Provence between about 887 and 972. It is identified with modern La Garde- ...

. He ruled the counties of Auriate,

Turin Turin ( , ; ; , then ) is a city and an important business and cultural centre in northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital from 1861 to 1865. The city is main ...

Asti Asti ( , ; ; ) is a ''comune'' (municipality) of 74,348 inhabitants (1–1–2021) located in the Italy, Italian region of Piedmont, about east of Turin, in the plain of the Tanaro, Tanaro River. It is the capital of the province of Asti and ...

Albenga Albenga (; ) is a city and ''comune'' situated on the Gulf of Genoa on the Italian Riviera in the Province of Savona in Liguria, northern Italy. Albenga has the nickname of ''city of a hundred spires''. The economy is mostly based on tourism, loc ...

and probably Bredulo,

Alba ''Alba'' ( , ) is the Scottish Gaelic name for Scotland. It is also, in English-language historiography, used to refer to the polity of Picts and Scots united in the ninth century as the Kingdom of Alba, until it developed into the Kingd ...

, and

Ventimiglia Ventimiglia (; , ; ; ) is a resort town in the province of Imperia, Liguria, northern Italy. It is located west of Genoa, and from the French-Italian border, on the Gulf of Genoa, having a small harbour at the mouth of the Roia river, w ...

. During a reorganisation of the structure of Italy's

marches In medieval Europe, a march or mark was, in broad terms, any kind of borderland, as opposed to a state's "heartland". More specifically, a march was a border between realms or a neutral buffer zone under joint control of two states in which diffe ...

under

Berengar II Berengar II ( 900 – 4 August 966) was the king of Italy from 950 until his deposition in 961. He was a scion of the Anscarid and Unruoching dynasties, and was named after his maternal grandfather, Berengar I. He succeeded his father as ma ...

in 950, Arduin's territories were organised as the

March of Turin The March or Marquisate of Turin was a territory of medieval Italy from the mid-10th century, when it was established as the Arduinic March (). It comprised several counties in Piedmont, including the counties of Turin, Auriate, Albenga and, pro ...

, or ''marca Arduinica''. Arduin allied his family with the

House of Canossa The House of Canossa was an Italian noble family from Lucca holding the castle of Canossa, from the early tenth to the early twelfth century. Sigifred of Lucca built the castle at Canossa around 940. Adalbert Atto appears in Canossa in time to giv ...

by marrying his heir, Manfred I to Prangarda, daughter of

Adalbert Atto of Canossa Adalbert Atto (or Adalberto Azzo) (died 13 February 988) was the first Count of Canossa and founder of that noble house which eventually was to play a determinant role in the political settling of Regnum Italicum and the Investiture Controvers ...

. The family later drew itself close to the

Holy Roman Empire The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...

. Arduin's grandson,

Ulric Manfred Ulric Manfred II (; 975 992 – 29 October 1033 or 1034) or Manfred Ulric (') was the count of Turin and marquis of Susa in the early 11th century. He was the last male margrave from the Arduinid dynasty. Ulric Manfred's daughter, Ad ...

(Odalrich-Maginfred), was one of the most powerful noblemen Italy in the 1020s, when he tried to play kingmaker and give the throne to

William V of Aquitaine William the Great (; 969 – 31 January 1030) was duke of Aquitaine (as ) and count of Poitou (as or III) from 990 until his death. Upon the death of the emperor Henry II, he was offered the kingdom of Italy but declined to contest t ...

. Ulric Manfred's daughters,

Adelaide Adelaide ( , ; ) is the list of Australian capital cities, capital and most populous city of South Australia, as well as the list of cities in Australia by population, fifth-most populous city in Australia. The name "Adelaide" may refer to ei ...

and Irmgard, married high-ranking German princes: Hermann IV of Swabia and

Otto III of Swabia Otto III (died 28 September 1057), called the White and known as Otto of Schweinfurt, was the margrave of the Nordgau (1024–1031) and duke of Swabia (1048–1057). He was the son of Henry of Schweinfurt, margrave of the Nordgau, and Gerberga o ...

, respectively. Irmgard later married

Egbert I, Margrave of Meissen Egbert I () (died 11 January 1068) was the Margrave of Meissen from 1067 until his early death the next year. Egbert was the Count of Brunswick from about 1038, when his father, Liudolf, Margrave of Frisia, died. Egbert was the scion of the i ...

, one of the richest magnates in Germany, and Adelaide, through her marriage to

Otto of Savoy Otto (; ; 1023 – 1057/1060) was count of Savoy from around 1051 until his death. Through marriage to Adelaide, the heiress of Ulric Manfred II, he also administered the march of Susa from around 1046 until his death. Family He was a younger ...

, was the mother of

Bertha Bertha is a female Germanic name, from Old High German ''berhta'' meaning "bright one". It was usually a short form of Anglo Saxon names ''Beorhtgifu'' meaning "bright gift" or ''Beorhtwynn'' meaning "bright joy". The name occurs as a theonym, s ...

, empress of Henry IV and of another Adelaide, who married the German anti-king

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 a ...

. Adelaide (died 1091) was the last scion of the house; her heirs were her sons

Peter I Peter I may refer to: Religious hierarchs * Saint Peter (c. 1 AD – c. 64–68 AD), a.k.a. Simon Peter, Simeon, or Simon, apostle of Jesus * Pope Peter I of Alexandria (died 311), revered as a saint * Peter I of Armenia (died 1058), Catholicos ...

and

Amadeus II of Savoy Amadeus II ( – 26 January 1080) was the count of Savoy from 1078 to 1080. His life is obscure and few documents mention him. During his rule, he was overshadowed by his mother, but he had good relations with the papacy and, for a time, the Holy ...

References

*M. G. Bertolini, "Arduino", Dizionario biografico degli Italiani, VI (Rome: Società Grafica Romana, 1964), 49–52. Italian noble families Frankish noble families