MATILDA, daughter of --- (-bur [Pontefract Priory]). "Henricus de Lasci" donated property to Pontefract Priory, for the souls of "patris mei Roberti de Lasci et Matilildis matris meŠ",by undated charter. A manuscript history of the Lacy family records that Ilbert de Lacy was buried "ad sinistrum cornu altaris sancti Benedicti" next to his mother.
Matilda married Robert de Lacy, son of Ilbert de Lacy and Hawise. (Robert de Lacy died after 23 Nov 1102 and was buried in Pontefract Priory, West Yorkshire, WF8, GB.)