How many members of the joad family are there?

Grampa Joad, Granma Joad, Uncle John, Pa Joad, Ma Joad, Noah Joad, Tom Joad, Connie Rivers, Rosasharon, Al Joad, Ruthie Joad, Winfield. 12 family members. Optional family members are Uncle John's dead wife, the baby Rosasharon is pregnant with, and Jim Casy (Tom's friend that goes to California with the family).