Son of Yvon Garamont (or Garamour) and Françoise Barbier, Claude Garamont came from a family of printers on both his mother's and his father's side, as a recently-discovered official document makes clear.
When Claude Garamont was drawing up his will, his mother was still alive, even though she was "very old, blind, and unable to get by [alone]." In this document, he deals with his mother's material well-being, down to the last detail, when he is no longer around to take care of her.
Claude Garamont came from a family of printers, on both his mother's and his father's side..
Claude Garamont's first wife was named Guillemette Gaultier: she must have died around 1550, since Claude Garamont married Ysabeau Le Fevre in 1551.
Claude Garamont teamed up with Pierre Gaultier, a type founder and then, starting in 1541, a printer. In several places, Gaultier is listed as Claude Garamont's "brother-in-law". In 1561, judging from his will, Claude Garamont died without descendants.