JEAN [I] de Ponthieu, son of GUILLAUME [I] "Talvas" Comte de Ponthieu & his wife Hélie de Bourgogne [Capet] (-24 Feb 1191). Robert of Torigny records that Henry II King of England granted "castrum Alenceium et Rocam Mabiriæ" to "Willermus Talavacius comes Sagiensis et filius eius Johannes et iterum Johannes nepos eius filius Guidonis primogeniti sui comitis Pontivi" in 1166[83]. Comte d'Alençon. Robert of Torigny records the death in 1171 of "Guillermus Talavercius comes Pontivi" and the succession of "Johannes comes filius eius" in the lands which he held from the English king "in Normannia et in Cenomannensi pago"[84]. "Johannes comes Alençonis filius Willermi Pontivorum comitis" confirmed the rights of Perseigne abbey by charter dated 10 Apr 1185, witnessed by "Johannes filius meus, Robertus filius meus, Willermus filius meus…"[85]. "Johannes filius Willelmi comitis Pontivi" donated property to the abbey of Saint-Martin, Troarn with the consent of "filiis meis Johanne et Roberto et Willelmo" by charter dated 1190[86].
m BEATRIX du Maine, daughter of HELIE d'Anjou Comte du Maine & his wife Philippa du Perche . Robert of Torigny records the marriage of "Guillermus Talavercius comes Pontivi…Johannes comes filius eius" and "filiam comitis Heliæ fratris comitis Gaufridi Andegavorum et ducis Normannorum"[87]. "Johannes filius Willelmi comitis Pontivi et Beatricia uxor mea atque Johannes filius meus" donated property to Notre-Dame de la Trappe by charter dated [1158/71][88].
Comte Jean & his wife had six children