Untitled Document
Bio-Bibliographical Guide to Medieval and Early Modern Jurists

Ames Projects

Click on image for more information



Report No. a260

Guillelmus Redonensis

fl. 1240–1245; d.1259?


Alternative Names

William of Rennes; Guillaume de Rennes



An otherwise unknown Dominican who wrote an apparatus on the Summa de casibus of Raymundus de Pennaforte. His commentary was transmitted alongside Raymundus’ work in most of the manuscripts and early editions and enjoyed an almost equal authority during the later Middle Ages.



No. 1

Apparatus on Summa de casibus.


Text(s) – Manuscripts

No. 1

Apparatus on Summa de casibus.


Alençon, BM 140


Angers, BM 219 (separate text (i.e. without Raymondus’s Summa))


Arras, BM 122


Berlin, Staatsbibl. lat. oct. N.92


Clermont-Ferrand, BM 91


Erlangen, Universitätsbibl. 523


Fulda, Landesbibl. D.12


Göttingen, Niedersächsische Staats- u. Universitätsbibl. C.m.j.163


Leipzig, Universitätsbibl. 1009


Leipzig, Universitätsbibl. 1014 (separate text (i.e. without Raymondus’s Summa))


Melk, Stiftsbibl. B.78


München, BSB Clm 5943


München, BSB Clm 8219


München, BSB Clm 8884


Praha, Univ. Knihovna III.F.15


Tours, BM 368


Troyes, BM 1710


Troyes, BM 1863


Wien, ÖNB 1372


Wrocław, Bibl. Univ. II.F.111


Wrocław, Bibl. Univ. II.F.112


Text(s) – Modern Editions

No. 1

Apparatus on Summa de casibus.

Modern Editions

Printed together with Raymundus’ Summa (Roma 1603, 1715) (wrongly attributed to Johannes of Freiburg).



K. Pennington, ‘A “consilium” of Johannes Teutonicus’, Traditio, 26 (1970) 438.

J. Brundage, Medieval Canon Law and the Crusader (Madison WI 1969) 94.

P. Michaud-Quantin, Sommes de casuistique et manuels de confession au moyen âge (XII–XVI siècles) (Louvain 1962) 40–41.

R. Weigand, ‘Mitteilungen aus Handschriften’, Traditio, 16 (1961) 562.

R. Naz, ‘Guillaume de Rennes’, in DDC (1953) 5.108.

J. von Schulte, QL 2.413–14.