Definition of "godgrandmother"

She was asked if this child were her godson. “No, he is the godson of my son, and I am his godgrandmother.”

1966, Ruben E. Reina, The Law of the Saints: A Pokomam Pueblo and Its Community Culture, Bobbs-Merrill Company, page 233

Over the years she has maintained a close relationship with several former students. Currently, she alternates between visiting and hostessing two in Roanoke and Greenville, N.C., respectively, and is a proud godgrandmother to one’s new baby.

1986 fall, MWC Today, volume 11, number 1, page 21, column 1

He and his wife Fagi took me under their wing as a kind of scientific godchild. They had two daughters about my age, but no sons. Fagi is, in fact, the Godgrandmother of our daughter.

1998, “Stephen Grossberg”, in James A. Anderson, Edward Rosenfeld, editors, Talking Nets: An Oral History of Neural Networks, Cambridge, Mass., London: The MIT Press, page 181

He is survived by his loving parents, Stacy and Anthony Jones Sr.; aunts: Shenita Jones, Keesha Jones, Crystal Krause, Stephanie Hoyt and Elizabeth Casey; special cousin, Kenvon Opande; godmother, Jasmine Jones; and godgrandmother, Cornelia Davenport.

2019 July 6, “[Obituaries] Danny D. Jones”, in The Herald-Palladium, page A7