My grandma was florence (Floss)flora McMahon and of course Grandpa was John (Jack).Do you have any info on their father's side?I have very little.Just that George's dad was also a George and that there was some kind of relationship with Van Patton family...Maybe was his wife's maiden name.I don't know.Florence and John R are buried in Erin Grove Cemetery in Roseville.John R and Ervin's mother Mary Ann is also buried there..... ibee4t3@hotmail.ccom