John de Courci

Life
?-?1219; Norman conqueror of Uladh [Ulster] within five years of seizing Downpatrick, 1175; Justiciar of Ireland, 1185; m. Affreca, dg of King of Man, 1188; savagely revenged murder of br. Jordan by a native, 1197; outlawed by William de Lacy, 1220; English estate forfeited; raided Hugh de Lacy; submitted in 1205; ravaged Antrim with a private fleet, but was defeated; pensioned and served King John in England, 1210 to 1216. ODNB