EMMA of Cornwall (-1208 or after, bur Abbaye de Clermont). "Guido Lavallensis dominus" relinquished the parish of la Gravelle to Marmoutier, with the advice of "fratris mei Hamonis, et uxoris mee Agathe et filiorum meorum Guidonis atque Sicilie", by charter dated to [1142/85][144]. "Agathe" in this document is an error for "Emma", as shown by the charter dated 1208 under which "Guido sextus dominus Lavallensis" ratified a donation by "patris mei" to the canons of "castellilo Lavallensi", witnessed by "…Emma matre mea, Hayoisia uxore mea…"[145]. "…Emme uxoris mee" consented to the donation by "Guido de Lavalle" to Sainte-Trinité de Fougères by charter dated 1180[146]. The primary source which confirms her parentage has not yet been identified. m GUY [V] Sire de Laval, son of GUY [IV] Sire de Laval & his wife Emma --- (-[18 Dec 1180/1185], bur Abbaye de Clermont).