Theobald I (died 936) was the
Duke of Spoleto
The Duke of Spoleto was the ruler of Spoleto and most of central Italy outside the Papal States during the Early and High Middle Ages (c. 500 – 1300). The first dukes were appointed by the Lombard king, but they were independent in practice. T ...
from 928 to his death. He was the son of
Boniface II
Pope Boniface II ( la, Bonifatius II; died 17 October 532) was the first Germanic bishop of Rome. He ruled the Holy See from 22 September 530 until his death on 17 October 532.
Boniface's father's name was Sigibuld. He was probably born in Ro ...
, former duke, and member of the line of the
Hucpoldings, a house of Frankish Ripuarian origin that built its fortunes in Italy since the 9th century. Theobald was an unscrupulous prince, even for his age, and his career is one of constantly changing alliances as the political winds of central and southern Italy changed direction.
In 929, Theobald joined
Landulf I of Benevento
Landulf I (died 10 April 943), sometimes called Antipater, was a Lombard nobleman and the Prince of Benevento and of Capua (as Landulf III) from 12 January 901, when his father, Atenulf I, prince of Capua and conqueror of Benevento, associated ...
and
Guaimar II of Salerno Guaimar II (also ''Waimar'', ''Gaimar'', or ''Guaimario'', sometimes called Gybbosus, meaning "Hunchback") (died 4 June 946) was the Lombard prince of Salerno from 901, when his father retired (or was retired) to a monastery, to his death. His fath ...
in a series of joint attacks against
Byzantine
The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
Campania
(man), it, Campana (woman)
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,
Apulia, and
Calabria. Theobald was detrimental to the others' cooperation and all three were unsuccessful and Guaimar returned to his earlier Greek allegiance.
Theobald also allied with
Docibilis II of Gaeta Docibilis II ( it, Docibile) ( 880 – c. 954) was the ruler of Gaeta, in one capacity or another, from 906 until his death. He was the son of the hypatus John I, who made him co-ruler in 906 or thereabouts.
Docibilis took part in the Battle of ...
against the Greeks.
936 deaths
10th-century dukes of Spoleto
Year of birth unknown
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