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Geoffrey Marcy was born on 1954-09-29.
Marcy Roche goes by Marcy, and Mars.
Marcy Guiragossian goes by Marcy G..
Marcy Walker's birth name is Marcy Lynn Walker.
Instructions on use of a Marcy cross trainer can be obtained from Marcy Fitness. The instruction manual can be downloaded from the Marcy Fitness web page for each Marcy fitness product.