CONAN de Bretagne (-17 Sep 1148). Orderic Vitalis names “Conanum” as the son of "Fergannus comes" and his second wife “filiam comitis Andegavorum”[223]. The Chronicon Briocensi names "Conanum et Hazevisiam" as the two children of "Alanus filius primogenitus [Hoelli]" and his wife "Ermengardem filiam Comitis Andegavensis"[224]. William of Tyre records his parentage[225]. He succeeded on the abdication of his father in [1114/16] as CONAN III "Grossus/le Gros" Duke of Brittany. "Conanus Britannorum dux" donated property to Saint-Nicolas d´Angers by charter dated to [1129/36], which names "mater mea Ermengardis comitissa"[226]. The Chronicon Britannico Alter records the death in 1148 of "Conanus Dux Britanniæ"[227]. The Chronicon Ruyensis Cœnobii records the death in 1148 of "Conanus Dux Britanniæ filius Alani et Ermengardæ"[228]. The necrology of Angers Cathedral records the death "XV Kal Oct" of "Conanus dux et comes Britanniæ" and his donation of "ecclesiam de Pinello" to the church of St Maurice[229]. m (1112 or before) MATILDA, illegitimate daughter of HENRY I King of England & his mistress --- (-after 1128). Her marriage is referred to by Orderic Vitalis[230], in a later passage recording that the betrothal occurred before the alliance was agreed between Henry I King of England and Louis VI King of France, which is dated to 1113[231]. Guillaume de Jumièges names Mathilde as illegitimate daughter of King Henry I and her husband "Conano comiti minoris Britanniæ"[232]. "Alanus, Hoelli filius, comes totius Britannie et princeps" donated property to the abbey of Redon with the consent of "suorum filiorum Conani et Gaufridi, necnon et uxoris suæ Hermengardis et uxoris filii sui Conani, Mahalt" by charter dated 1112[233]. "Mathilda comitissa et Haduisa soror comitis Conani" signed the undated charter Duke Conan III donated a fishery to the abbey of Mont-Saint-Michel[234]. "Ermengardis mater mea et uxor mea Matildis…" signed the charter dated 1128 under which Duke Conan III confirmed the possessions of the monks of Saint-Melaine de Rennes[235]. Duke Conan III & his wife had three children