Guy (or Guido) of Valence was a

bishop of Tripoli The Latin Diocese of Tripoli was established in 1104 in the aftermath of the First Crusade. It remained a residential bishopric until 1289, after which it became a titular bishopric, which it remains today in the Catholic Church. Tripoli, Lebanon, ...

whose episcopate probably fell in the period 1228–1237. He is an obscure figure, whose name is known only from the prologue of Philip of Tripoli's Latin translation of the

Pseudo-Aristotelian Pseudo-Aristotle is a general cognomen for authors of philosophical or medical treatises who attributed their work to the Greek philosopher Aristotle, or whose work was later attributed to him by others. Such falsely attributed works are known a ...

Secretum secretorum The or (from Latin: "The Secret of Secrets"), also known as the ( ar, كتاب سر الأسرار, lit=The Secret Book of Secrets), is a pseudo-Aristotelian treatise which purports to be a letter from Aristotle to his student Alexander ...

'', in which he dedicates the work "to his most excellent lord Guido, originally of Valence, glorious pontiff of the city of Tripoli, most strenuous in the cultivation of the Christian religion." Guy was from

Valence Valence or valency may refer to: Science * Valence (chemistry), a measure of an element's combining power with other atoms * Degree (graph theory), also called the valency of a vertex in graph theory * Valency (linguistics), aspect of verbs rel ...

. He may have been related to the John of Valence, canon of Tripoli, who was elected prior of the cathedral in 1244. In his prologue, Philip praises Guy's learning: "the clarity of your genius and the depth of your knowledge in letters exceeds that of all contemporaries on this side of the sea .e., Outremer">Outremer.html" ;"title=".e., Outremer">.e., Outremer/nowiki>, whether Latins or natives. . . [Y]ou are most learned in the liberal arts, the most expert in things legal and ecclesiastical, the most learned in things moral and divine." This flattery strongly suggests that Guy was a highly educated man, and the most probable place of his study was the '' studium'' specializing in Roman law within the Abbey of Saint-Ruf in Valence. Guy may have come east on the Fifth Crusade with his brother Berlon. Other identifications have been proposed. He may be the Master Guy who was archdeacon of

Caesarea Caesarea () ( he, קֵיסָרְיָה, ), ''Keysariya'' or ''Qesarya'', often simplified to Keisarya, and Qaysaria, is an affluent town in north-central Israel, which inherits its name and much of its territory from the ancient city of Caesare ...

in 1207, or the Master Guy who was a notary and acting vice-chancellor in the papal chancery in 1222–1226. If this is so, he may have first met Philip of Tripoli, himself a former chancery official, in Rome. Possibly he came to the Holy Land with

Gerold of Lausanne Gerold of Lausanne (Gerald, Gerard, Giraud; died 1238 or 1239), was abbot of Molesme, abbot of Cluny, bishop of Valence, and Latin patriarch of Jerusalem in the 13th century. Early life and career Gerold was said to be from “Losane”, which ...

, the bishop of Valence who was appointed patriarch of Jerusalem in 1225. Philip's translation was made no later than the 1240s, which provides a '' terminus ante quem'' for Guy's pontificate. There are many gaps in the reconstructed list of bishops of Tripoli in the first half of the 13th century. Guy's pontificate most likely falls after that of Bishop Robert, attested in March–July 1228, since Philip only became a canon of Tripoli in 1227. The next named bishop is Albert, installed in 1243 after a period of vacancy. Thus, Guy probably became bishop in late 1228 or 1229, and his death may have occurred as early as 1232 or perhaps in late 1236 or early 1237. In May 1237, Pope Gregory IX refers to a deceased bishop of Tripoli with the initial G., which may have been the recently deceased Guy of Valence. According to Philip of Tripoli's account, he and Guy discovered an Arabic manuscript of the ''Secretum'' on a visit to Antioch and Guy urged him to translate it. This probably took place in or about 1230. It is unclear who initiated the search for the manuscript or if that was their purpose in Antioch.

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* * * * * {{Authority control 1230s deaths People from Valence, Drôme 13th-century Roman Catholic bishops in the Kingdom of Jerusalem Christians of the Fifth Crusade