Tisedi, located near modern Aziz-Ben-Tellis in present Algeria, was one of many towns in the Roman provinceofNumidia which was important enough to become a suffragan bishopric but faded completely.
Three of its residential bishops are recorded (although author Morcelli assigns them to Tiddi):
Donatus I suffered gravely, according to Saint Optatus (bishop of Milevis), under the heresy Donatism and was deprived of his see in 362 by their bishop Felix of Idicra
Jorge Ardila Serrano (1980.10.27 – 1988.05.21) as Auxiliary BishopofArchdiocese of Bogotá (Colombia) (1980.10.27 – 1988.05.21); later Bishop of Girardot (Colombia) (1988.05.21 – retired 2001.06.15), died 2010
Luis Gutiérrez Martín, Claretians (C.M.F.) (1988.09.15 – 1995.05.12) as Auxiliary Bishop of Archdiocese of Madrid (Spain) (1988.09.15 – 1995.05.12), Bishop of Segovia (Spain) (1995.05.12 – retired 2007.11.03), died 2016
Neil E. Willard (1995.06.27 – death 1998.03.25) as Auxiliary Bishop of Archdiocese of Montreal (Quebec, Canada) (1995.06.27 – 1998.03.25)
Gerhard Feige (1999.07.19 – 2005.02.23) as Auxiliary Bishop of Magdeburg (Germany) (1999.07.19 – 2005.02.23), next succeeded as Bishop of Magdeburg (2005.02.23 – ...)
Marian Rojek (2005.12.21 – 2012.06.30) as Auxiliary Bishop of Archdiocese of Przemyśl (Poland) (2005.12.21 – 2012.06.30); later Bishop of Zamość-Lubaczów (Poland) (2012.06.30 – ...)
J. Mesnage, L'Afrique chrétienne, Paris 1912, pp. 433–434
H. Jaubert, Anciens évêchés et ruines chrétiennes de la Numidie et de la Sitifienne, in Recueil des Notices et Mémoires de la Société archéologique de Constantine, vol. 46, 1913, p. 95