Hugues IV DE GOURNAY, Sire De La Ferté, Beaussault Et De Gaillefontaine 
- Born: 1098-1100, , , France
- Marriage: Melisende DE COUCY  after 1151
- Died: 1180 at age 82
Another name for Hugues was DE GURNEY.
Sources, Comments and Notes:
"HUGUES [IV] de Gournay, son of GERARD de Gournay & his wife Edith de Warenne ([1098/1100]-1180). Orderic Vitalis names "Hugo filius Girardi de Gornaco" and "Drogo vitricus eius". Matthew of Paris quotes a charter dated 1116 of King Henry I which records his grant of Biscot, Bedfordshire to the abbey of St Albans, witnessed by "…Adam de Port, Thomas de Sancto Johanne, Willelmus frater eius, Hugo de Gornaio". "Hugo de Gornaco" confirmed a donation by "Girardus pater meus" to the abbey of Saint-Sauveur, for the souls of "Beatricis…uxoris mee et Hugonis filii mei", by undated charter. "Gornacensis dominus et…Hugo filius meus" donated property to Saint-Leu d´Esserent, for the soul of "Beatricis…uxoris meæ", by charter dated to . "Helias et Petrus vicedomini Gerbosreti, Hugo de Gornaco..." subscribed the charter dated 1149 under which Henri Bishop of Beauvais confirmed the donation of "territorii veteris Briostel" to Lannoy made by "Drogo filius Roeri et mater eius Isabelt". An undated charter of Henry II King of England refers to the transfer of the priory of Sigy to a new site by "Hugo de Gornaio". "Dominus Hugo de Gournaio et Milesend uxor illius" founded Clairruissel priory, with the consent of "filiorum nostrorum Girardi et Hugonis", by undated charter. The Red Book of the Exchequer records enfeoffments in the duchy of Normandy in , "Hugo de Gurnaio" with 12 knights. "Hugo de Gurnaio filius Geraldi de Gurnaio" confirmed an agreement between "Henricum abbatem et conventum Pratellensem" and "Rogerium abbatem et conventum Sancti Salvatoris" by charter dated 1172. Ralph de Diceto records that "Hugo de Gornai, tam pater quam filius" were captured in 1173 "a Rege filio" during the rebellion of Henry the Young King against his father Henry II King of England. "…Hugone de Gournayo…" subscribed the charter dated to [1172/78] under which Henry II King of England confirmed donations to the monks of Bec established at the church of Pré at Rouen which had been made by a charter of King Henry I dated 1122.
m firstly BEATRIX de Vermandois, daughter of HUGUES [I] Comte de Vermandois [Capet] & his wife Adelais Ctss de Vermandois. The De Genere Comitum Flandrensium, Notæ Parisienses refers to (but does not name) the fourth daughter of "comite Hugone et Adela uxore" being the wife of "comes Garentie", although it is possible that this refers to "William de Warenne", second husband of the couple's daughter Elisabeth. Guillaume of Jumièges records that "Giraldo...filius eius Hugo" married "sorore Rodulfi de Parrona comitis Viromandorum", by whom he had "unum filium...Hugonem". "Hugo de Gornaco" confirmed a donation by "Girardus pater meus" to the abbey of Saint-Sauveur, for the souls of "Beatricis…uxoris mee et Hugonis filii mei", by undated charter. "Gornacensis dominus et…Hugo filius meus" donated property to Saint-Leu d´Esserent, for the soul of "Beatricis…uxoris meæ", by charter dated to .
m secondly (after ) as her second husband, MELISENDE de Coucy, widow of ADELEME Châtelain d´Amiens, daughter of THOMAS de Marle Comte d´Amiens, Seigneur de Coucy, de Marle et de Boves & his third wife Mélisende de Crècy. The Genealogiæ Scriptoris Fusniacensis names "Ingelrannum de Marla et Robertum Bovensem et filiam nomine matris" as children of "Thomam de Marla" by his wife Mélisende, specifying that their daughter married "Hugonem de Gornai dominum eiusdem loci". The Chronicle of Alberic de Trois-Fontaines refers to the daughter of "Thomas de Coci" & his "secundo uxor domna de Bovis" as "illam que data est Hugoni de Gornaio" but does not name her. The primary source which confirms her first marriage has not yet been identified. "Dominus Hugo de Gournaio et Milesend uxor illius" founded Clairruissel priory, with the consent of "filiorum nostrorum Girardi et Hugonis", by undated charter.
Hugues [IV] & his first wife had one child:
1. HUGUES de Gournay (-young)
Hugues [IV] & his second wife had two children:
2. GERARD de Gournay (-young)
3. HUGUES [V] de Gournay (-25 Oct ). ..."
"... Hugues (III) († vers 1094).
x Basilie Flaitel, fille de Gérard Flaitel
+> Gérard († ap. 1104)
x Édith de Warenne, fille de Guillaume Ier de Warenne
+> Hugues (IV) († 1180), sire de Gournay, La Ferté, Beaussault et Gaillefontaine.
x1 Béatrice de Vermandois, fille de Hugues Ier de Vermandois
x2 Mélissende de Coucy
+> Hugues (V) († 1214), sire de Gournay
+-> Mélisende, épouse Amaury VI, comte d'Évreux († 1213)
+> Hugues (VI) († 1239), sire de Gournay ..."
Hugues married Melisende DE COUCY  [MRIN: 195], daughter of Thomas DE MARLE, Sire De Coucy et de La Fère  and Melisende DE CRECY , after 1151. (Melisende DE COUCY  was born about 1107 in , , France.)