HELIE [IV] de Wavrin (-22 Jan 1222). The late 13th century genealogy by Balduinus de Avennis records that "monseignour Pieron...une fille...Sebille" married “monseignour Robert de Waurin senechal de Flandres” by whom she had “i fil...Hellins”[1438]. Sénéchal de Flandre. "…Hellini de Wavrin…" signed the charter dated Apr 1201 under which Baudouin IX Count of Flanders donated property to several monasteries before leaving for Jerusalem[1439]. “Renaud de Croisilles” agreed to guarantee the good conduct of “Hellin de Wavrin chevalier fils de Sibylle...[et] son fils” to the king by charter dated Mar 1214 (O.S.)[1440]. m (1211) ISABELLE de Montmirail, daughter of JEAN de Montmirail Châtelain de Cambrai & his wife Helvise de Dampierre (-after 16 Mar 1223). The late 13th century genealogy by Balduinus de Avennis records that "monseignour Pieron...une fille...Sebille" married “monseignour Robert de Waurin senechal de Flandres” by whom she had “i fil...Hellins” who married “la serour monseignour Jehan de Monmiral”[1441]. "Sibilia de Waverino dompna de Lileriis" confirmed the donation to Furnes abbey made by “dompnus Erlebaldus miles de Scora” by charter dated Oct 1220, witnessed by “Elizabeth de Monte Mirali senescalla Flandrie...”[1442]. Brassart states that "Ysabella senescalca Flandrensis est indiquée comme veuve d’Hellin sénéchal de Flandre, fils de Sibille dame de Lillers" in a charter dated 16 Mar 1222 (O.S.) for the abbey of Prés de Douai but he does not cite the source[1443]. Hélie [IV] & his wife had three children