Guibertine

1. historicalnot comparableRelating to Guibert of Ravenna (c. 1029 – 1100), antipope as Clement III from 1080 to 1100, and his supporters.

   Magninulph, an archpriest, was then elected by the Guibertine party, with the title of Sylvester IV., and died suddenly.

   1847, George Townsend, Ecclesiastical and Civil History Philosophically Considered […], volume 2, page 332

   2 more examples

   The cardinals had grown in importance during the course of the Guibertine schism, and both those who had rebelled against Gregory and those who remained loyal were anxious to enhance their prerogatives.

   2000, G. A. Loud, Montecassino and Benevento in the Middle Ages: Essays in South Italian Church History, page 106

   It might be a response to anti-pope Guibert of Ravenna’s encyclical of 1089, but it could also be a retort to the criticism of Pope Urban II and his supporters following the council of Piacenza at which the Pope favored the reinstatement in the clerical office of members of the Guibertine party.

   2007, Leidulf Melve, Inventing the Public Sphere: The Public Debate during the Investiture Contest (c. 1030–1122), volume 1, →ISBN, page 95, note 220

plural Guibertines

1. historicalA supporter of Guibert of Ravenna.