From BiblePortal Wikipedia

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [1]

a monk OF CHAISE-DIEU (Casa-Dei), in Auvergne, in the 12th century, wrote a History of the Life and Miraeles of Robert, the Founder, which Labbe has given in his Bibliotheca Nova MSS. 2, 637; and which is also printed in the Acta Sanctorum, 24 Apr. 3, 326,

The Nuttall Encyclopedia [2]

wo personages in La Fontaine's fable of the Monkey and the Cat, of whom R. cracks the nut and B. eats it.