Serious chronological difficulties are presented by the traditional story of his early life (printed in Patrologia Latina 204, coll.

[1] His patron Milo having also died, he established himself at Rome, where he studied the rules of the religious houses of the city.

After a four years' sojourn he obtained a Bull from Gregory VII authorizing him to found an institute resembling that of the solitaries he had frequented in Calabria, and returned to France.

[5] The quarrel as to what great order could claim Grandmont as its offspring, with the consequent forgeries, has done much to involve the founder's life in obscurity.

[1] His head is preserved in the parish Church of St. Sylvestre, Canton of Laurière (in the Haute Vienne département).