“Ivo comes de Bellomonte et Adelhidis uxor eius” donated “ecclesia Sanctæ Honorinæ de Confluencio” to the monastery of Bec by charter dated 1080. The Chronicon Beccensis Abbatiæ records that "Yvo de Bellomonte comes uper Isarum et Adelidis uxor eius" donated "ecclesia B. Honorinæ de Confluentium” to Bec in 1082. Depoin says that Adelais “devait appartenir à la maison de Gournay”, citing the necrology of Beaumont-Saint-Léonor which records the death of Hugues de Gournay “X Kal Nov...Hugo de Gornayo” and suggesting that Hugues, younger brother of Mathieu [I] Comte de Beaumont, was named after him. However, there is no indication to which Hugues de Gournay this necrology entry relates, nor of the time when he lived. The idea is interesting, but the data on which the hypothesis rests is too imprecise to suggest that it is probable.
The Necrologium Bellimontense records the death “VI Id Apr” of “Adeledis comitissa Bellimontis”. The year of her death is ascertained as follows. Depoin records that “la plus ancienne vie de saint Gautier, premier abbé de Saint-Martin de Pontoise” (he provides no precise citation reference for this source) records his death “le vendredi saint, et le même jour fut le dernier de la comtesse”. The necrology of Pontoise Saint-Martin records the death “VI Id Apr” of “apud castrum Pontisariense...Sancti Galteri abbatis”, which coincides with the date of death of Adelais reported in the Necrologium Bellimontense. According to the calculations of Cheney, the only years in the mid- to late 11th and early 12th centuries when Goof Friday fell on 8 April were 1037, 1099 and 1110. Of these, the second appears to be the only year which is possible from a chronological point of view. 2
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