PIERRE de Langeais, son of HAMELIN de Langeais & his wife Helvise de Mondoubleau (-after 1121). "Hamelinus et filii eius…Petro…Philippus prior natu et Odo Duplellus" withdrew their claims against "Capellam-Anscherici" by charter dated to [1100][871]. Seigneur de Montoire. "Gauffridus Vindocinensis comes" restored the mills of "Ponte et…Friquembaldi" to "Petrus filius Hamelini hæres [Amelini de Monte-Aureo]" at the request of the abbé of La Trinité de Vendôme by charter dated 1121[872]. A charter dated to [1130/39] records that "Hamelinus de Leniaiis" had donated income to the abbey of La Trinité de Vendôme, later confirmed by "Petrus de Monteaureo" who wished to make the donation of "patris sui" permanent, in the presence of "Philippus et Harduinus filii eius, Hugo de Monteaureo…domnus Bartholomeus de Vindocino, Wlgrinus frater eius…Ada uxor Petri et Aanor uxor Philippi…"[873].
m ADA [de Montoire, daughter of HAMELIN de Montoire & his wife ---]. "…Ada uxor Petri…" were present at the charter dated to [1130/39] which records that "Hamelinus de Leniaiis" had donated income to the abbey of La Trinité de Vendôme which was confirmed by "Petrus de Monteaureo" who wished to make the donation of "patris sui" permanent[874]. The charter dated 1121 which records that "Gauffridus Vindocinensis comes" restored the mills of "Ponte et…Friquembaldi" to "Petrus filius Hamelini hæres [Amelini de Monte-Aureo]" at the request of the abbé of La Trinité de Vendôme[875] suggests that Pierre may have inherited the properties by marriage, given that the identity of his own parents is known from other sources.
Pierre & his wife had two children