Elizabeth Parke Firestone was the mother of Martha Firestone, who wed William Clay Ford Sr., grandson of Henry Ford. She is the daughter of Guy James Parke and Gertrude Chambers, and daughterinlaw of Harvey Firestone. Between 1915 and 1975, she acquired extraordinary clothes which today are on display at the Benson Ford Research Center. Her grandson William Clay Ford Jr., is the current Chairman of the Board of Directors for Ford Motor Company. He had previously served as the Chief Executive Officer and Chief Operating Officer of Ford.
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Source: Wikipedia