William I de la Roche

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Wilhelm I de la Roche (French: Guillaume ; † 1287 ) was a Duke of Athens from the la Roche family . He was a younger son of Duke Guido I of Athens and the Agnes de Bruyères.

Denarius currently by Guy I. de la Roche (1280-87), obverse
Reverse of the denarius

From his father, who died in 1263, he received Livadia as his own barony. After the death of his older brother, Duke Johann I , he succeeded him as Duke.

Wilhelm recognized Karl von Anjou as his liege lord and considered his brother's peace with Emperor Michael VIII Palaiologos to have expired. The emperor had Boeotia and Attica devastated by his general Licario . Wilhelm joined the Angevin alliance against Byzantium and prepared for the Anjou offensive against Constantinople . But when the Sicilian Vespers broke out in March 1282 , the attack did not materialize. With the collapse of the Angevin rule, the Frankish princes of Greece lost their last great support. Only the inaction of the new emperor, Andronikos II , saved Athens from a Byzantine counterattack.

In 1285 Wilhelm was appointed Bailli in Achaia by Count Robert II of Artois , the regent of the Anjous . There he put things in order and secured the land by building new castles, such as Dimatra. He died in 1287.

Wilhelm was married to Helena Angelina († 1294/95), a daughter of the despot John I Dukas Comnenus of Thessaly. The only child together was the new Duke Guido II († 1308), for whom his mother took over the guardianship, who was married to Hugo von Brienne for the second time .

literature

  • Karl Lanz (ed.): Chronicle of the noble En Ramon Muntaner (= library of the literary association in Stuttgart. 8, ISSN  0340-7888 ). Literarischer Verein, Stuttgart 1844, Textarchiv - Internet Archive .
  • Ferdinand Gregorovius : History of the City of Athens in the Middle Ages. From the time of Justinian to the Turkish conquest. Volume 1. Cotta, Stuttgart 1889, pp. 428-445  - Internet Archive .
  • Kenneth Meyer Setton: Athens in the Middle Ages (= Variorum Collected Studies Series. 41, ISSN  0961-7582 ). Reprint of 6 Articles originally published between 1944 and 1975. Variorum Reprints, London 1975.
  • Donald M. Nicol: The Last Centuries of Byzantium, 1261-1453. 2nd edition. Cambridge University Press, Cambridge u. a. 1993, ISBN 0-521-43384-3 .
  • John Julius Norwich : Byzantium. Decay and decline. Special edition. ECON-Verlag, Düsseldorf u. a. 1998, ISBN 3-430-17163-6 .
  • Ramon Muntaner : The Catalan Expedition to the East. From the "Chronicle" of Ramon Muntaner. Translated by Robert D. Hughes. With an Introduction by Jocelyn N. Hillgarth. Barcino et al. a., Barcelona u. a. 2006, ISBN 1-85566-131-4 .
  • Christian Vogel: Roger de Flor - life story of a Templar pirate. Views of the Mediterranean world. Lit, Berlin a. a. 2012, ISBN 978-3-643-11902-5 .
predecessor Office successor
Johann I. de la Roche Duke of Athens 1280–1287
Blason fam for La Roche (Ducs d'Athènes) (selon Gelre) .svg
Guido II de la Roche