If you are considering mating them, that would only cause tension and likely cause unwanted problems.
There are different views on whether Parrots should be keep together in single cage, or kept separately, each in their own cage.
There is no way to assure that any two, three or more Parrots will live well with each other in a confined area. When a single Parrot is having a health issue, it becomes more difficult to identify and treat. In addition, there is the issue regarding diet and whether one is over eating and another is not getting enough, etc...
If you have the space, totally separate cages is my recommendation. If space is a problem, a larger single cage with separate areas can be used.
I am certain that another member will be along supporting multiple Parrots in a single cage.
Welcome to the forums, thanks for joining! I am not familiar with the species of birds you have, but mixing males and females of certain types can be very problematic. You'll get great advice from others with great experience!
Agreeing with the considerations and questions above.
There really are no guarantees about what bird gets along with what other bird(s).
Disaster can happen in a heartbeat.
Thank you everyone. Its just that I have one male in a huge cage and 2 females in two smaller cages. The two females are very fond off each other and seems to go into deppression if I move one off them to the male. I did try it and had to take it out again. The two smaller cages stands next to each other and they feed each other although both are older than 2 years. So I have a lonely male.