John Knowles Fitch and his wife, Lillian Whitehead, had three children: John Knowles Jr. (born April 17, 1906, died January 21, 1998); and twins Marjorie and Muriel (born 1907).
John Knowles Fitch and his spouse, Lillian Whitehead, were parents to three children: John Knowles Jr., who was born on April 17, 1906, and passed away on January 21, 1998; and twins Marjorie and Muriel, born in 1907.