He also gave his younger brother Robert le Constable the Flamborough lands that he had inherited from his father.

[5] Roger is also mentioned in a contemporary account of the rebellion of Count John so it is highly unlikely that he travelled East.

Roger's uncle, Robert Thesaurus, was prior of the Hospitallers of England, but it is unclear if he joined the Third Crusade.

King Richard had reconquered some castles along his Norman border from Philip II of France in 1196 and de Lacy was likely in his retinue.

When Roger de Lacy was called upon for assistance, he raised from the fair a group of minstrels and other 'loose characters' and brought them to Rhuddlan.