Helen de Lacy Dutton - Sources?

This is pre Crawley work, I think. The database was from J Weber (a member of soc.gen.medieval) and the location as Chester suggests Ormerod, and sure enough, here she is also at Nancy Lopez’ Cybergata.

http://cybergata.com/roots/4699.htm

Geoffrey married Helen de Lacy, daughter of John Fitz Richard Baron of Halton, Constable of Cheshire and Alice de Vere. (Helen de Lacy died in 1144.)