The obiuary you referenced
http://www.rootsweb.ancestry.com/~onduffer/obituaries/Banner...Source Archives of Ontario-N258 Reel#38 Dufferin County Obituaries from the Orangeville Banner for the year 1918
contained the following:
He is survived by his widow, three brothers: Robert John Whitten, Melancthon, William J . Whitten, Winnipeg, and Thomas Whitten, Amaranth; and five sisters, Mrs. Thomas Hewitt and Mrs. Robert Large, Big Rapids, Mich.; Mrs. Phil Watts, Chicago; Mrs. Thos. Graham, Cleveland, Ohio, and Mrs. Robert Boyd, Michigan.
The Mrs. Robert Boyd (Lucinda Whitten)died about 1929 Osceola County, MI is my great grandmother she was married 7 Feb 1878 Kalamazoo, MI to Robert M Boyd died 1932 Osceola County, MI