He is married to Sophia ( Guda ) van Loon ( Looz ) waarschijnlijk fout en verwisseling met schoonmoeder.
They got married
Child(ren):
HEREN van MECHELEN WALTER [IV] Berthout, son of WALTER [III] Berthout & his wife Bonne de Looz (-[Damietta 1219, bur Mechelen St Rumbold]). The 13th century Histoire des ducs de Normandie et des rois d´Angleterre names "Gautiers Bietaus…de Braybant…[et] freres germains…Gillon Bertaut le chambrelenc de Gremines"[815]. "Walterus Bertholdus…cum coniuge mea Guda filiisque Waltero et Sophia uxore sua et Egidio" confirmed a donation to Everbode by charter dated 1200[816]. [Heer van Mechelen]: a charter dated 1213 records an agreement between Hugues Bishop of Liège and "domnum Walterum Bertolt" under which the latter acquired the property of the former "in villa de Marlines" to be held as a fief from the bishop[817]. "…Walter Berthout, Egidius frater suus…" witnessed a charter dated 5 Jul 1217 under which "Heynricus…dux Lotaringensis" renewed an alliance with "Engilberto Coloniensis ecclesie electo"[818]. Butkens states that Walter [IV] died in "1219 au siège de Damiette…[et] gist à S. Rumold a Malines", but cites no primary source on which this information is based[819]. m SOPHIE, daughter of --- (-[1209, bur Acre]). "Walterus Bertholdus…cum coniuge mea Guda filiisque Waltero et Sophia uxore sua et Egidio" confirmed a donation to Everbode by charter dated 1200[820]. Butkens states that Sophie, wife of Walter [IV], died in "1209 en Syrie et fut enterré a Accaron", but cites no primary source on which this information is based[821]. He adds that she was "Sophie de Los", but he appears to be confusing her with her mother-in-law whose Looz origin is confirmed in the charter dated 1194 which is quoted above. Walter [IV] & his wife had three children: 1. WALTER [V] (-10 Apr 1243). The primary source which confirms his parentage has not yet been identified. Heer van Mechelen. - see below. 2. HENDRIK [I] Berthout (-after Jan 1235). Heer van Duffel. "Walterus Bertholdus nobilis de Brabantia et dominus de Machlinia, domino Ægidio fratri suo…et filiis suis W. et H." donated property to the Teutonic Knights by charter dated 1226, signed by "…Egidius et Arnoldus filii nostri, Henricus de Duffle frater noster…"[822]. - HEREN van DUFFEL. 3. EGIDIUS Berthout (-after Jan 1235). "Walterus Bertholdus nobilis de Brabantia et dominus de Machlinia, domino Ægidio fratri suo…et filiis suis W. et H." donated property to the Teutonic Knights by charter dated 1226, signed by "…Egidius et Arnoldus filii nostri, Henricus de Duffle frater noster…"[823]. Heer van Berlaer. - HEREN van BERLAER.