The king and the nobles.
A castle was generally a fortified house owned by kings and queens
Corfe Castle is now owned by the National Trust who were given it by the Bankes family (link below) who owned it having bought in 1635. The castle was owned by the Crown until Elizabeth 1 sold it in the 16th century
Ballynahinch Castle
A castle was generally a fortified house owned by kings and queens
Cadw.
Ballynahinch Castle
Carrickfergus Castle is wrong its Ballynahinch Castle
The SS Morro Castle, destroyed by fire off New Jersey in 1934, was owned by the WARD LINE
Warwick Castle is not owned by the National Trust. It was sold by the Earl of Warwick to the Tussauds Group in 1978.
Ballynahinch Castle
Ardrossan Castle is in Scotland. It is situated on the coast of Ayrshire. The castle was originally called Castle Crags but it was renamed to Ardrossan after the family who owned it.
The YouTube account that is owned by Amy Castle is SandCastleInc. She is an American actress and internet personality, otherwise known as the Cuppycake Girl.