Walter de Lacy References Walter de Lacy Anglo-Norman noble Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Hugh de Lacy, earl of Ulster…he expelled the earl’s brother, Walter de Lacy, from Meath, and compelled the earl himself to flee to Scotland. Read More…he expelled the earl’s brother, Walter de Lacy, from Meath, and compelled the earl himself to flee to Scotland. Read More