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Male Russell Root Click to view Russell Root in the family tree

Russell was born after 1751.1   Russell's father was John Burr and his mother was Tabitha Loomis.  His paternal grandparents were John Burr and Mary Root; his maternal grandparents were Benjamin Loomis and Joanna Alvord. He had three brothers and two sisters, named John, Reuben, Jehiel, Chloe and Tabitha.  He was the third youngest of the six children.1 

1 phelps.FTW @ Tree #0105
Further sources/citations:
World Family Tree Vol. 3, Ed. 1 @ Tree #3669, 3669.ftw