The Janeway Book has the following:
William Nelson Janeway, born January 10, 1898, near Lone Mountain, Tennessee, in Claiborne County. He married 1st Eva Leedy in 1919. ... He married 2nd Laura Killion, born July 6, 1898. William and Eva had seven children between 1920 and 1936, none are listed for Laura. Eva died July 27, 1955. A picture of William and Laura Janeway is in the book. Is this your William and Laura.
Cora Janeway, born September 28, 1902 and died May 19, 1981. She married George McBee, born 1893 and died 1969. They are buried in Burch Cemetery, West of New Tazewell, Tn. They had one child, Roy McBee born April 17, 1921. He married Loretta Beeler, they had one child, Eugene McBee.
I have the Janeway line going backed to 1500.