Landenulf II succeeded his brother Landulf VI

Landulf IV of Benevento

Landulf IV was the prince of Capua and Benevento from 968, when he was associated with his father, Pandulf Ironhead, and prince of Salerno associated with his father from 977 or 978...

 as Prince of Capua in 982 and ruled until his assassination. He was one of the younger sons of Pandulf Ironhead

Pandulf Ironhead

Pandulf I Ironhead was the Prince of Benevento and Capua from 943 until his death. He was made Duke of Spoleto and Camerino in 967 and succeeded as Prince of Salerno in 977 or 978...

.

Landenulf was young and ruled under the regency

Regent

A regent, from the Latin regens "one who reigns", is a person selected to act as head of state because the ruler is a minor, not present, or debilitated. Currently there are only two ruling Regencies in the world, sovereign Liechtenstein and the Malaysian constitutive state of Terengganu...

 of his mother Aloara until her death in 992. His brother Laidulf

Laidulf of Capua

Laidulf was a son, probably the youngest or second youngest, of Pandulf Ironhead. He probably never expected to inherit much, especially with so many cousins vying for their rightful inheritances. He was the count of Teano...

, the count of Teano

Teano

Teano is a town and comune of Campania, Italy, in the province of Caserta, 30 km north-west of that town on the main line to Rome from Naples. It stands at the south-east foot of an extinct volcano, Rocca Monfina.- Ancient times and Middle Ages:...

, incited a group of citizens to revolt and murder him at Easter

Easter

Easter is the central feast in the Christian liturgical year. According to the Canonical gospels, Jesus rose from the dead on the third day after his crucifixion. His resurrection is celebrated on Easter Day or Easter Sunday...

time the next year. He was buried on 21 April in San Benedetto in Capua.