Conan IV "le Petit" DE PENTHIÈVRE, Duc de Bretagne, Earl of Richmond
- Born: Abt 1138, Bretagne, France
- Married: 1160
- Died: 20 Feb 1170/1
 General Notes:
Compiler's 23 x great-grandfather
Research Notes:
The Chronicæ Sancti Albini names "Conanus junior, comes Britanniæ, Alani comitis filius et Berta mater eius comitissa" when recording his death. The Genealogia Comitum Richemundiæ records that "Conanus filius Alani" succeeded his father "in honorem Richemundiæ" and built "turrim magnam infra Castellum Richemundiæ".
He invaded Brittany in 1156, captured Rennes, expelled his stepfather who was taken prisoner by Raoul de Fougères, and succeeded as CONAN IV "le Petit" Duke of Brittany. He seized the county of Nantes on the death in 1158 of Geoffroy Comte de Nantes, son of Henry II King of England. King Henry II deprived Duke Conan of the lordship of Richmond, but it was returned to him under the agreement reached in Sep 1158. "Conan dux Britannie comes Richmundie" confirmed the donation of Plubihan and Plougasnou to Saint-Georges de Rennes by charter to [1156/69], witnessed by "Margarita comitissa, Willelmo filio Hamon, Alano de Rohan, Constancia sorore comitis…". Duke Conan confiscated Tréguier and Guingamp from his uncle Comte Henri. He was forced to surrender Brittany to King Henry II in 1166, on the betrothal of his daughter to Henry's son, who was proclaimed Duke of Brittany in 1169. The Chronicæ Sancti Albini record that "Conanus junior, comes Britanniæ, Alani comitis filius et Berta mater eius comitissa" was dying in 1169 and that Henry II King of England subjugated Brittany and placed his son Geoffroy to rule there through "Guillelmi filii Hamonis".
Robert of Torigny records the death in 1171 of "Conanus dux Britanniæ". The Chronicon Britannico Alter records the death in 1171 of "Conanus junior Dux Britanniæ". The necrology of Landévennec records the death “XII Kal Mar” of “Conanus dux Britanniæ 1171”. The Chronicon Kemperlegiensis records the death "XX Feb" in 1171 of "Conanus Dux Britanniæ et Comes Richemundiæ". The Chronicon Ruyensis Cœnobii records the death in 1171 of "Conani Ducis Britanniæ, Alani et Berthæ filii". The Genealogia Comitum Richemundiæ records the death in Brittany in 1170 of "Conanus filius Alani" and his burial at "Begare". 1
Marriage Information:
Conan married Princess Margaret DE HUNTINGDON, Countess of Hereford, daughter of Henry DE HUNTINGDON, Prince of Scotland, and Countess Ada (Adelaide) DE WARENNE. (Margaret DE HUNTINGDON was born in 1144 in Huntingdon, Huntingdonshire, England, died in 1201 in Richmond, North Riding Yorkshire, England and was buried in Sawtrey Abbey, Huntingdonshire, England.)
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