Arnold was born November 10, 1845, in
Cumberland, Rhode Island. His paternal grandfather
Oliver Chace was founder of the Valley Falls textile company, which later became
Berkshire Hathaway. His parents Samuel Buffington Chace and
Elizabeth Buffum Chace were
Quakers and prominent anti-slavery activists. His maternal grandfather,
Arnold Buffum, was president of the
New England Anti-Slavery Society. His sister
Lillie became an author and social reformer. Arnold married Eliza Chace Greene, daughter of Christopher A. and Sarah A. Greene, on October 24, 1871. Their three children were:
Malcolm Greene Chace, Edward Gould Chace, cotton manufacturer, and Margaret Chace, wife of Russell S. Rowland, M.D. of Detroit, MI. ==Academics==