Hi, does anyone know what "C Quarters" near the Portland Prison UK, was? My father was born there 25 Sept 1940?

Hi, does anyone know what "C Quarters" near the Portland Prison UK, was? My father was born there 25 Sept 1940 & his father worked as a warden at the Portland Prison teaching inmates animal husbandry. If anyone has any info, ideas or ways to access records I'd be grateful.