Murray, Alan V. (Spring 1992). "Dynastic Continuity or Dynastic Change? The Accession of Baldwin II and the Nobility of the Kingdom of Jerusalem". Medieval Prosopography. 13 (1): 26. JSTOR44947044.
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Genealogiciæ Scriptoris Fusniacensis names "Lebaldus de Malla et…Iveta comitissa de Retest" as brother and sister of "Ebalus de Roceio", this note also refers to a certain Mathilde, wife of Liéutad: "Albericus de Cociaco…cum Adela uxore sua et matre eius Mathilde" who made a donation to the Abbey of Nogent-sous-Coucy (French Wikipedia) in 1059.