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Male Lorenzo Loomis Click to view Lorenzo Loomis in the family tree

1   Lorenzo's father was Simeon Lorenzo Loomis and his mother was Maria Smith.  His maternal grandparents were Normand Smith and Mary Boardman. He had four brothers and a sister, named Charles, Edward Selden, Randolph B., Thomas Smith and Maria.1 

1 phelps.FTW @ Tree #1309
Further sources/citations:
World Family Tree Vol. 3, Ed. 1 @ Tree #0105, 0105.ftw