co-grandfather

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co-grandfather

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* co- + grandfather

noun co-grandfathers

the father of one's son- or daughter-in-law, as common grandfather of their children; the relationship between men who have grandchildren in common; maternal grandfather vis-à-vis paternal grandfather. The milkman was Edward Kenelm Digby, 52, eleventh Baron Digby, World War I colonel in the Coldstream Guards, World War II inspector of infantry-training establishments, co-grandfather (with Winston Churchill) of Randolph Churchill's small son, Winston Churchill II.
Similar: co-father-in-law

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MLA

"co-grandfather." Wiktionary, via Micwyn, micwyn.com/word/co-grandfather. Accessed 6 Nov. 2026.

APA

co-grandfather. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/co-grandfather

Chicago

"co-grandfather." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/co-grandfather.

BibTeX

@misc{co_grandfather_2026,
  title = {co-grandfather},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/co-grandfather},
  urldate = {2026-11-06}
}