He is married to Elisabeth van de Aa.
They got married
Child(ren):
ENGELBERT [II] d’Enghien, son of HUGUES d’Enghien & his wife Beatrix --- (-Ninove 10 Dec 1193, bur Ninove). “Hugo de Adengem et v filii eius...Gozuinus, Ingelbertus, Nicholaus, Sigerus, Bonefacius et frater eius, Hainnerus, Gozuinus...” witnessed the charter dated to [1146/48] under which “Reinsuendis uxor Alardi Hasbenium...” donated property to Eename[1267]. A charter dated to 1166 records that “Hugo Angiensis cum filiis Gosuino, Engelberto, Sigero et Bonifacio” built “arcem apud Angiam”[1268]. Engelbert and Boniface were presumably the two unnamed brothers of Gossuin who witnessed the following document: “Walterus de Brussella filius Leonii de A” donated property “in parochia Anderlechtensi” to Affligem by charter dated 1168, witnessed by “…Gosuinus de Adengem et duo fratres eius…”[1269].
m ([before 1155?]) ELISABETH [van de Aa, daughter of LEON [II] van de Aa & his wife Mathilde ---] ([before 1140?]-[Dec 1193/1214]). She is named in the following document: [her son] “Engelbertus dominus de Aienghien” confirmed the donation of "vi bonaria quæ jacent in parochia Anderlechtensi" to Voorst abbey made by "Elisabeth mater mea piæ memoriæ" by charter dated 1214, witnessed by [her great nephew, grandson of her sister, and her nephew, son of her brother Walter] “Castellani de Bruxella, Leonii domini de Aa...”[1280].
Engelbert [II] & his wife had four children:
HUGUES d’Enghien ([before 1155?]-[1173/89]).
GISELE d’Enghien (-after 10 Dec 1193).
Nn d’Enghien (-after Dec 1193).
ENGELBERT [III] d’Enghien (-22 Feb [1244/46]).
https://fmg.ac/Projects/MedLands/HAINAUT.htm#EngelbertIIIEnghiendied1200