How many realitives are there in the eleventh hour book?

It's impossible to determine the exact number of relatives in the book "The Eleventh Hour" without knowing which "Eleventh Hour" book you're referring to.

There are many books and stories with that title, such as:

* The Eleventh Hour (Nancy Drew) by Carolyn Keene

* The Eleventh Hour (A Max Revere Novel) by Robert Crais

* The Eleventh Hour (The Vampire Diaries) by L.J. Smith

* The Eleventh Hour (Star Wars: The Old Republic) by Drew Karpyshyn

* The Eleventh Hour (The Secret Keepers) by Maurene Goo

* The Eleventh Hour (The Chronicles of Narnia) by C.S. Lewis (indirectly related)

Please specify which book you're interested in, and I might be able to help you find the answer.