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
Flag of Pembrokeshire Pembrokeshire Flag" for the band to perform on marches around the county. The Pembrokeshire Flag is based on the flag of St David. (The saint's birthplace, the city of St David's, is in Pembrokeshire.) The blue is also considered to be reminiscent of the sea, and the yellow of summer sunshine. The central rose represents the red Tudor Rose, a symbol used by King Henry VII, who founded the Tudor dynasty; a man of both Welsh and English descent who was born in Pembroke Castle. The green pentagon around the rose symbolises the green fields and cliff-tops of Pembrokeshire. The