He was a pupil of Azo, and the master of Odofredus, of Hostiensis, and of Jacobus de Ravanis, the last of whom has the reputation of having first applied dialectical forms to legal science.
In the Golden Legend of Jacobus de Voragine (13th century) and the Mystbre de la Passion of Jean Michel (15th century) and Arnoul Greban (15th century), the story of Oedipus is associated with the name of Judas.
Here he came under the influence of Jacobus Faber (Stapulensis), on whose recommendation he was appointed professor in the college of Cardinal Lemoine.
Of other writers who published works about the end of the 16th century, we may mention Jacques Peletier, or Jacobus Peletarius (De occulta parte Numerorum, quam Algebram vocant, 1558); Petrus Ramus (Arithmeticae Libri duo et totidem Algebrae, 1560), and Christoph Clavius, who wrote on algebra in 1580, though it was not published until 1608.
He had no sooner learnt of the raid in Cape Town than he issued a proclamation through - Sir Jacobus de Wet, the British resident at Pretoria, burg.