Atenulf III, called Carinola, was the co-prince of Capua and Benevento from 933

933

Year 933 was a common year starting on Tuesday of the Julian calendar.-Africa:* Failed attempt by the Fatimid dynasty to seize the Maghreb al-Aqsa from the local rulers allied to the Spain-based Umayyad Caliphate.- Europe :* Cotentin and Jersey are seized by William Longsword, Duke of Normandy.*...

, when his father, Landulf I

Landulf I of Benevento

Landulf I , sometimes called Antipater, was a Lombard nobleman and the Prince of Benevento and of Capua from 12 January 901, when his father, Atenulf I, prince of Capua and conqueror of Benevento, associated his with him in power...

, and uncle, Atenulf II, made him so. His younger brother Landulf the Red

Landulf II of Benevento

Landulf II , called the Red, was the Lombard prince of Benevento and prince of Capua from 939 or 940, when his father, Landulf I, first associated him with the government, his mother was Gemma, daughter of Athanasius of Naples. He may have been associated as early as 933, when his elder brother,...

 succeeded co-prince Atenulf in 939

939

Year 939 was a common year starting on Tuesday of the Julian calendar.- Europe :* Edmund I of England succeeds to the throne of England.* The Arabs lose Madrid to the Kingdom of Leon....

 or 940

940

Year 940 was a leap year starting on Wednesday of the Julian calendar.- Asia :* Saadia Gaon compiles his siddur in Iraq.* Narita-san Temple is founded in Chiba, Japan....

. When the elder Landulf died on 10 April 943, the younger Landulf removed his elder brother Atenulf to Benevento

Benevento

Benevento is a town and comune of Campania, Italy, capital of the province of Benevento, 50 km northeast of Naples. It is situated on a hill 130 m above sea-level at the confluence of the Calore Irpino and Sabato...

 and his uncle Atenulf's son Landulf to Capua

Capua

Capua is a city and comune in the province of Caserta, Campania, southern Italy, situated 25 km north of Naples, on the northeastern edge of the Campanian plain. Ancient Capua was situated where Santa Maria Capua Vetere is now...

. Fearing for their lives, the two fled to Guaimar II of Salerno

Guaimar II of Salerno

Guaimar II was the Lombard prince of Salerno from 901, when his father retired to a monastery, to his death. His father was Guaimar I and his mother was Itta. He was associated with his father in the principality from 893...

 and Landulf the Red became sole prince

Prince

Prince is a general term for a ruler, monarch or member of a monarch's or former monarch's family, and is a hereditary title in the nobility of some European states. The feminine equivalent is a princess...

.

Atenulf III married Rotilda, daughter of Guaimar II and his first wife. It was a diplomatic marriage.

Sources

• Caravale, Mario (ed). Dizionario Biografico degli Italiani: IV Arconati – Bacaredda. Rome
  Rome
  Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...
  
  , 1962.