Who bulit Pembroke castle?

Who bulit Pembroke castle?

What was the mane of theperson who bulit Pembroke castle.

Question about Pembroke Castle

The first version of Pembroke Castle was paid for by Earl Roger of Montgomery; a more substantial version was built up using the money of William Marshal, then the Earl, and he's known for adding the tower and inner ward. William's son Gilbert added the walls and William's grandson, William de Valence finished the basic shape off - but today's version has had a lot of renovations since Roger.