ROBERT [III] Mauvoisin (-[1216/17]). "R. Malvesinus" granted property "apud Luat…in feodo avunculi mei Willelmi…de Alneto" to "Willelmo de Montefermoil", with the consent of "uxoris mee Cecilie", by undated charter[3192]. The marriage contract between "Robertus Malus Vicinus...Isabel filiam suam" and “consanguineo nostro Ade de Bellomonte”, with the consent of “Sicilie uxoris sue”, is dated Aug 1211[3193]. m CECILE de Chevreuse, daughter of --- (-after 1238). "Guido dominus Cabrosie" donated money to Notre-Dame des Vaux de Cernay, with the consent of "Cecilia soror mea, Roberti Malveisin viri sui…et Avelina uxor mea", by charter dated 1208, before Nov[3194]. The marriage contract between "Robertus Malus Vicinus...Isabel filiam suam" and “consanguineo nostro Ade de Bellomonte”, with the consent of “Sicilie uxoris sue”, is dated Aug 1211[3195]. "Cecilia uxor Roberti Malevicini, soror…Guidonis domini Cabrosie" confirmed the donation to Notre-Dame des Vaux de Cernay by "R. maritus meus" by charter dated 1216[3196]. "Cecilia uxor Roberti Malevicini soror…Guidonis domini Cabrosie" donated property to Port-Royal by charter dated 1216[3197]. "Sedilie dame d’Aulnay" notified her donation to Notre-Dame de Livry, with the consent of "Adam de Beaumont et d’Isabelle son épouse sa fille", by charter dated 1238[3198]. Robert & his wife had one child