Hij is getrouwd met Aleidis van Hengebach.
Zij zijn getrouwd
Kind(eren):
ARNOUT [III] van Diest, son of ARNOUT [II] van Diest & his wife --- (-1230). ...Arnoldus de Diest et Arnoldus filius suus... signed the charter dated 1190 which records the settlement of a dispute between Henri I Duke of Brabant and Gerard Comte de Loos super advocatiam Sancti Trudonis[704]. " Arnoldus de Diest " witnessed the charter dated 1192 under which "Henricus dux Lotharingiæ" granted freedoms to "burgensibus de Filfordia"[705]. " Arnoldus et Gerardus fratres de Diest " witnessed the charter dated 1202 under which "Henricus Dux Lotharingiæ et Marchio Romani Imperii" confirmed donations to the canons of Antwerp[706]. " Arnoldus de Dyst " witnessed a charter dated 5 Jul 1217 under which "Heynricus dux Lotaringensis" renewed an alliance with "Engilberto Coloniensis ecclesie electo"[707].
m ALEIDIS von Hengebach, daughter of EBERHARD [II] von Hengebach & his wife Jutta von Jülich. A charter dated 1218 confirms a donation to Kloster Hoven by "Everardo viro nobili de Hengebach" of property "in villa Vlurne sita", with the consent of "heredum suorum, filiorum Wilhelmi comitis Juliacensis, Theoderici, Everardi et filiarum Jutte, Udelhildis, Aleidis"[708]. The primary source which confirms her marriage has not yet been identified.
[704] Saint-Trond, CX, p. 150.
[705] Butkens (1724), Vol. I, Preuves, p. 46, "Extraicts du registre des chartes de Brabant".
[706] Miraeus (1723), Tome I, Diplomata Belgica, Liber II, LXXIII, p. 296.
[707] Niederrheins Urkundenbuch, Band II, 64, p. 35.
[708] Niederrheins Urkundenbuch, Band II, 75, p. 41.
Bron: http://fmg.ac/Projects/MedLands/BRABANT,%20LOUVAIN.htm#_Toc329756995
http://fmg.ac/Projects/MedLands/BRABANT,%20LOUVAIN.htm#_Toc329756995
Zelem - De Vroege en Hoge Middeleeuwen (ca. 650 n. C 1270 n. C) (http://www.vilters-vanhemel.be/zelem_historisch_middeleeuwen1.html)