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Origin of the name Justin: From the Latin JustÄ«nus, which is derived from justus (lawful, right, just). From A World of Baby Names by Teresa Norman.
Justin's patrilineal line traces back to Francis Timberlake, who was in 1687 in London, England. Justin is a paternal grandson of Charles L. Timberlake and Bobbye Joice (Williams), and a maternal grandson of William Bill Silas Bomar and Sadie Lee (Timbs).