William of Paris
"'The Sculptor: Far from Home. Values Scholarship Above All...'"[1]
William of Paris, also known as William the Sculptor, or Guillaume Boucher, was a captive French artisan who lived and worked in Karakorum, Mongolia during the reign of Möngke Khan.
The Sculptor[edit | edit source]
'The Sculptor is a redheaded fellow, very pale and freckled...'[1]

William was redheaded, very pale, and freckled.[2] A member of a heretical Gnostic sect known as the Cathars,[3] he prized scholarship and traced his craft to the techniques of the Romans.[4]
Though officially a captive, William was treated more as a valuable guest than a prisoner.[5] He was closely monitored, kept in guarded rooms, with visitors scrutinised by Mongol officials[6] yet from his quarters he enjoyed a sweeping view of the city.[7] He was generally free to move within Karakorum,[8] and received any materials he requested for his artistic work.[9]
William is highly regarded in Karakorum for his (alleged) creation of the famous Silver Tree, a mechanical marvel of a fountain.[10]
History[edit | edit source]
"'I was known across all of Europe. Such was the quality of my craftsmanship! I was a gold- and silversmith. Your own cathedral contains some of my work."[11]

Before his capture, William had already achieved fame across Europe.[12] Nobles and royals commissioned him to craft jewellery and mechanical marvels.[13] In 1239, while working on a mechanical bird for the daughter of King Béla of Hungary,[14] Batu, cousin of the Great Khan, invaded Buda. William's reputation had travelled so far that Batu himself became intrigued by the artisan's skill.[15] The Hungarian royal family, eager to secure their escape, exploited Batu's interest and handed William over to the Mongols.[16] He was escorted to the Mongol capital of Karakorum, where he was expected to apply his talents exclusively for the Khan and his family.[17]
That, at least, was the official story. Hints suggest he may have played a more complicated role during the Mongol invasion,[18] that he was not entirely unwilling to depart Europe,[19] and that he may even have engaged in espionage.[20][3][21][22]
Whatever the truth, William made the utmost use of his gifts once in Karakorum.[23] He ingratiated himself not only with the artisans and citizens of the city but also with the royal family, especially Möngke Khan's favourite daughter, Princess Cheren. William taught her his language and culture; she, in turn, shared hers.[24] Their relationship deepened through letters, shared walks, and long conversations. Inevitably, their growing affection became difficult to conceal.[25] Rumours spread quickly,[26] and soon they reached the Khan himself.[27] He suspected the truth, though he lacked proof,[28] and he strongly disapproved. He would never sanction a marriage between his daughter and a foreign captive,[29] and might have had William executed had the affair become more public.[30]

Princess Cheren attempted to change her father's mind. She designed a marvel, the Silver Tree,[31] to celebrate the splendour of the Mongol Empire and subtly argue that no further conquests were necessary.[32] William contributed to its construction: he crafted the serpents and the angel (modelled after Cheren), while slaves and Mongol craftsmen completed the structure.[33] Cheren publicly attributed the entire achievement to William, hoping this would elevate him in her father's eyes.[34]
Their story, however, drew the attention of the Masters of the Bazaar, who were seeking to purchase Karakorum before it was destroyed by internal conflicts within the Mongol imperial family.[35] When the Khan's nephew invaded the city with a Cathayan army, Karakorum fell, and Möngke sold it to the Bazaar.[36] William might have survived the Fall of Karakorum and could have lived to see the Fifth City even,[37] owing to the youth granting brandy Cheren brewed,[38] but it is known that he is now deceased,[39][40] apparently by disembowelment.[41]
Historical Inspiration[edit | edit source]
Guillaume Boucher was a 13th century Parisian metalsmith who lived and worked in the Mongol Empire, most notably at the court of Möngke Khan in Karakorum and believed to have been active roughly between 1240 and 1254. Originally from Paris, Boucher was captured by the Mongols in Europe. According to historical accounts, he may have been taken during the Mongol invasion of eastern Europe; some sources suggest he was living in either Belgrade, in modern-day Serbia, or in what is now Gyulafehérvár, Hungary, when the Mongols seized him.
Once in Karakorum, Boucher established himself as a highly skilled artisan in the Great Khan's court. He ran a workshop, reportedly supervising up to 50 other craftsmen, and produced a variety of objects: jewelry, religious items, made altars for Nestorian Christians, and other ornamental work. Perhaps his most famous creation was the “Silver Tree”, a remarkable mechanical drinking fountain erected in front of the Khan's palace. According to William of Rubruck, the Franciscan envoy to the Mongol court, the fountain was richly decorated: it had silver fruit, a trumpet-blowing angel at the top, golden serpents coiled around the trunk, and four silver lions at the base. When activated, the tree would dispense drinks from its pipes: wine, clarified mare's milk, honey-based mead, and rice wine, each flowing through different conduits into separate basins. The mechanism reportedly involved someone hidden under the tree: when a signal came, this person would activate a pump, raising bellows or otherwise triggering the angel to blow the trumpet, which in turn caused the serpents to pour the beverages.
Guillaume Boucher was also personally known to William of Rubruck: when Rubruck visited Karakorum in 1253-1254, he recorded encounters with Boucher, his wife (described as “a daughter of Lorraine, but born in Hungary”), and their adopted son, who acted as an interpreter. According to Rubruck's account, Boucher gave him a finely wrought cross, which Rubruck was to take back, reportedly for King Louis IX of France.
As for his later life, the historical record is less clear. After Rubruck's visit, Boucher more or less disappears from European chronicles. Some historians suggest he died around 1254. There is no known archaeological discovery of the Silver Tree itself, and no surviving definitive pieces of his work that can be firmly attributed to him, though some scholars have speculated that parts of his works may have survived in later structures, such as in Erdene Zuu Monastery, which was built using stones from the old Karakorum.
References[edit | edit source]
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