Beatrix (Argésile de Pépin) van Loon

https://www.genealogieonline.nl/stamboom-willems-hoogeloon-best/I11...

-https://gw.geneanet.org/scoomans?lang=en&iz=32003&p=angesile&n=de+p...

2. [BEATRIX [de Looz] (-after 1132). The Vita Andreæ, first abbot of Averboden, in the Chronicle written by Nicolas Hogeland Abbot of Middelburg, records that "dominam Beatricem de Los, comitissam de Aerschot" sent donations to "comitis Arnoldi Lossensis" after hearing that he intended to found Averboden abbey[863]. This is the only reference yet found to the the wife of Arnout Graaf van Aarschot. If it is correct, it must refer to Graaf Arnout [III] who witnessed the charter dated to [1136] by which Alexander Bishop of Liège confirmed the foundation of Averboden abbey by "comes Ernulfus de Los"[864]. Although the source does not specify the relationship between Beatrix and Arnaud Comte de Looz, the chronology suggests that they could have been brother and sister. In line with the speculation of Daris concerning the existence of two comtes de Looz named Arnaud, from a chronological point of view it appears likely that Beatrix was the sister of Comte Arnaud [II]. However, the Vita Andreæ is a late source and is not reliable on all points of detail. The extent to which the report is accurate is therefore difficult to assess.

m ARNOUT [III] Graaf van Aarschot, son of --- ([1080/1100]-after [1136]).]