St. Laurence O'Toole,
Dublin's patron saint,
born c.1130,
first Archbishop of Dublin 1162,
Archbishop at time of Anglo-Norman invasion 1169,
negotiated surrender of Dublin,
built Christ Church with Strongbow 1172,
died 1178, Eu, Normandy, age c.48 yrs, buried there,
his heart was brought back and is preserved in Christ Church, Dublin,
canonised 1225.