 
| Type | Valeur | 
|---|---|
| Titre | Bertha (Beatrice) de Morvois and Herbert I de Vermandois in Lee-Ault Genealogy, pg. 6 [See document in the Memories section] | 
| Lee-Ault Genealogy, pg. 6 | 
| Bertha (Beatrice) de Morvois and Herbert I de Vermandois in Lee-Ault Genealogy, pg. 6 [See document in the Memories section] |