HELP! i am trying to help my mom in finding info on my grandparents. my grandfather is not able to remember much so i have very little info. any help is greatly needed.
what i have is ...

my grandfather is Leo Robert Brown
his mother is Edith m. jackson her father is james jackson and her mothers name was martha (not sure of last name)
i know that my grandfather has 2 brothers named william carl and doyal who married a jenny and a sister name doris
my grgrandfather james and edith had 4 children that i know of and i can list three. doris, pearl and edith m.

please let me know if any of these ring a bell.
thanks