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Female Cornelia Gilbert Click to view Cornelia Gilbert in the family tree

1   Cornelia's father was Hiram Gilbert and her mother was Sarah Hibbard.  Her paternal grandparents were John Gilbert and Theodosia Marsh. She had four brothers and three sisters, named Frederick, Giles, Hiram, Newington, Caroline, Nancy and Pamela.1 

1 phelps.FTW @ Tree #1353
Further sources/citations:
World Family Tree Vol. 4, Ed. 1 @ Tree #0574, 0574.ftw