If you want to know about one or two sizes of tents, there is a lot of information available out there. However, there seems to be a lack of quality information on family size.
Searching for military tents online? Don't worry. There are variety of military tents available online offering good quality army tents.
Not to mention the fact that it should be a lot of fun to have everyone come together under the roof of emergency to wait for the rain!
Tents can be anything from simple shelters built on aluminum poles to shelter a large canvas enough to accommodate thirty people. Unless your family is that you will not have to consider going to the store to buy the kind of military forces. There are a lot of people in stores camping large scale that would be sufficient for your needs.
If you are traveling to a rough area where you will be forced to harbor the majority of your teeth then you should be looking for a lightweight, instant tent. Keep in mind that the size of the family of most models will not be as lightweight super lightweight models Akto. You should be able to find instant models with lightweight aluminum poles and stakes from manufacturers like Coleman easy to carry.