If the dog has already come into contact with cats as a puppy, then it can get along very well with them. But beware, you must not underestimate the hunting instinct of the German Shorthaired Pointer.
A fairly even-tempered dog by nature, the German Shorthaired Pointer gets along well with other dogs. However, this requires good socialization even as a puppy.
He is also very fond of children, playing with them and even defending them if he thinks they are in danger.
It also goes well with older people if they are still fit and dynamic enough to walk the dog extensively every day.