Elbert Edwards' oldest son, referred to as Mahlon by the family and S. Mahlon in documents about the Edwards family and books authored by him.

Taken from Wiki Page: "Sherwood Harry Egbert (1920–1969), born Easton, Kittitas County, Washington, July 24, 1920, a former U.S. marine, served as president of the Studebaker-Packard Corporation and Studebaker Corporation from February 1, 1961, to November 24, 1963.^"

A detailed biography of Egbert's life can be found in the item ent001356.