Examples from the Web for guillem
Bernard Otho and Guillem obeyed the summons, but would confess nothing.
But Guillem the gaoler had crept up to the hall and lay sleeping by the fire, with a dozen dogs about him.The Truce of God|Mary Roberts Rinehart
With this extravagant but probably veracious incident, one naturally compares the sacrifice of Guillem de Balaun's finger nail.Studies in Medival Life and Literature|Edward Tompkins McLaughlin
The same story is told of the troubadour Guillem de Cabestanh; but it is good enough to repeat.The Love Affairs of Great Musicians, Volume 2|Rupert Hughes
That Guillem Arnaud returned with them is a matter of course.