Ласси
After the accession of Richard I in 1189, de Courcy in conjunction with William de Lacy appears in some way to have offended the king by his proceedings in Ireland. De Lacy quickly made his peace with Richard, while de Courci defied him, and the subsequent history of the latter consisted mainly in the vicissitudes of a lasting feud with the de Lacys. Hugh de Lacy, younger son of Hugh de Lacy Lord of Meath, began to wage war on John de Courcy, capturing him in 1204. An account of his capture appears in the Book of Howth. This passage helps explain why John had a reputation as a strong, God-fearing warrior: