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Female Gertrude Derby Click to view Gertrude Derby in the family tree

1   Gertrude's father was James E. Derby and her mother was Emma C. Rider.  Her paternal grandparents were James Derby and Ameretta Lewis; her maternal grandparents were Benjamin Rider and Jane Austin. She had a brother and five sisters, named Edward E., Ida May, Cora Ann, Bertha E., Eunice and Daisey Ruth.1 

Family Details of Gertrude's family with Harry Bagley

1 phelps.FTW @ Tree #1353
Further sources/citations:
World Family Tree Vol. 4, Ed. 1 @ Tree #2812, 2812.ftw