Tis nice tent is that. The best bit, you with kids an'll, is the communal space in the middle is a good size. Important for those very rare rainy days you get when camping.
As K says, check it thoroughly for waterproofness. The other main thing to check is the poles are all there and the zips work. Rips and tears can be sorted. Don't matter if it's branded or not if it does the job.