GUILLAUME [IV] de Milly (-1239). Seigneur de Milly. m firstly ([1195/1200]) AGNES de Nemours, daughter of PHILIPPE [I] de Nemours Seigneur de Guercheville & his wife Aveline de Melun (-1 Sep 1213). A charter dated 1191 records the confirmations by "Guido…Senonensis archiepiscopus…[et] fratris nostri Stephani Noviomensis episcopi" of the testamentary dispositions made by "Avelina uxor Philippi fratris sui", in childbirth, in favour of Barbeau abbey, with the consent of "liberi predictorum Philippi et Aveline, Galterius et Agnes"[1997]. "Willelmus dominus Milliaci" confirmed the legacy made by "Agnes uxor mea" on her death bed to the abbey of Barbeaux by charter dated Jan 1214[1998]. Her parentage is confirmed by the charter dated Jan 1214 under which "Galterus dominus Nemosii" confirmed the legacy made by "Agnes soror mea, uxor Willelmi domini Milliaci" on her death bed to the abbey of Barbeaux[1999]. m secondly ([1215]) JEANNE de Loury, daughter of ADAM de Loury & his wife --- (-1266). She married secondly Jean de Corbeil. Guillaume [IV] & his first wife had two children:
