Pembrokeshire Deheubarth into Gwynedd. Norman/Flemish influence never fully recovered in West Wales. In 1138, the county of Pembrokeshire was named as a county palatine. Rhys ap Gruffydd, the son of Owain Gwynedd's daughter Gwenllian, re-established Welsh control over much of the region and threatened to retake all of Pembrokeshire, but died in 1197. After Deheubarth was split by a dynastic feud, Llywelyn the Great almost succeeded in retaking the region of Pembroke between 1216 and his death in 1240. In 1457, Henry Tudor was born at Pembroke Castle. He landed an army not far from his birthplace 28 years later in
Pembrokeshire the A477 between Neyland and Pembroke Dock. Large bays are Newport Bay, Fishguard Bay, St Bride's Bay and western Carmarthen Bay. There are several small islands off the Pembrokeshire coast, the largest of which are Ramsey, Grassholm, Skokholm, Skomer and Caldey. There are many known shipwrecks off the Pembrokeshire coast with many more undiscovered. A Viking wreck off The Smalls has protected status. The county has six lifeboat stations, the earliest of which was established in 1822; in 2015 a quarter of all Royal National Lifeboat Institution Welsh rescues took place off the Pembrokeshire coast. Pembrokeshire's diverse range of geological