Tenant moved in without knowledge

[Kape65]

Unless all 6 are related of course. Not much you can do then!

[Ra101]

I don’t know if they are related but if they are not surely anyone occupying the property not on the agreement is a breach of contract?

Even if they are related, I did not agree to it

[jpkeates]

I don’t know if they are related but if they are not surely anyone occupying the property not on the agreement is a breach of contract?

What term of the contract do you think they are breaching?

If there's a term that says no one else but the tenants can live there, they would appear to be in breach.
If there's a term that says they can't subcontract the property, they may not be in breach because they may not be subcontracting.

They may be in breach of overcrowding rules.

[Kape65]

Are the 3 original tenants related? You must know that. And if they invite their 3 brothers to stay with them, then their isn't much you can do.

[Ra101]

3 original are related

[Jon66]

You might find it better to put all the facts in one post rather than starting new threads.

[Ra101]

Ok will do

[Section20z]

They paying the rent ?

[Hudson01]

As said above you will need to give a lot more detail..... what type of property, how many bedrooms/bathrooms etc. The usual kind of background info we need. Sorry to hear about this, given the times we are in you may be in for a rough ride.