Queen Margaret of Provence and her son-in-law, Theobald V of Champagne and Navarre, are also named among those who urged him to the composition of his "little works", especially De morali principis institutione.
[5] In the late 1240s, Vincent was working on his Opus which included On the Education of Noble Girls (De Eruditione Filiorum Nobilium).
[5] Though Vincent may have been summoned to Royaumont before 1240, there is no evidence that he lived there before the return of Louis IX and his wife from the Holy Land.
[8] He found support for the creation of the Great Mirror from the Dominican order to which he belonged as well as King Louis IX of France.
[19] Along with Conradus of Altzheim, Henricus Suso, Ludolphus of Saxony, the authorship of Speculum Humanae Salvationis has been sometimes attributed to Vincent.