Your grandfather's child is either your parent (mother or father) or your aunt or uncle.
The possessive form of the plural noun grandfathers is grandfathers'.example: Both of my grandfathers' names are George.
grandparentGreat Aunt or Great Uncle
Your grandfathers' sisters' grandchildren are your second cousins.
Maggie Blick has written: 'Remembering Malcolm Macquarrie' -- subject(s): Fiction, Granddaughters, Grandfathers, Grandparent and child
The cast of The Gift of the Grandfathers - 1997 includes: Gordon Tootoosis as Narrator
She will be your aunty
dsthfkalssa
Two people whose grandfathers were brothers are second cousins to each other.
Ted
If you are a freemason you can.
cornilious
bob i think