I found the son of Washington - John, and according to his wife's obit, he survived her in 1993.
Morning Call, The (Allentown, PA) - April 22, 1993
Deceased Name: JEAN T. DANSHAW
Jean T. Danshaw, 72, of 12 Linden St., Ellsworth, Washington County, died Wednesday in her home. She was the wife of John W. Danshaw. A graduate of Reading Hospital School of Nursing, she worked for Centerville Clinic Inc., Washington County, for 19 years before retiring as supervisor of the home health care. Before that she worked for the former Charleroi Monessen Hospital, Washington County. Born in Marcus Hook, Delaware County, she was a daughter of the late George and Isabelle Lee Freed. She was a member of Bentleyville Presbyterian Church, Washington County. She was a second lieutenant in the Army Nurse Corps during World War II. Survivors: Husband; son, George Edward of Cloudcroft, N.M.; daughters, Mrs. Isabelle Lee Segedi of Ellsworth and Judy Ann Pictrowski of Cokeburg, Washington County; sisters, Virginia Danshaw Mack of Allentown and Patricia Orwig of Orwigsburg, and five grandchildren.
She was predeceased by a son, John Michael, and a daughter Georgene. Services: 11 a.m. Saturday, Greenlee Funeral Home, 619 Main St., Bentleyville. Call 7-9 p.m. today and 2-4 and 7-9 p.m. tomorrow.
Morning Call, The (Allentown, PA)
Date: April 22, 1993
Author: The Morning Call
Record Number: 789504
Copyright (c) 1993, The Morning Call, Inc.
..... and John was in Ellsworth thru 2002. Not sure if he is living after this date; he would have been about 81 years old in 2002 - I don't find him in the SSDI though. I suppose he could still be living.
U.S. Phone and Address Directories, 1993-2002
Name: John Danshaw
Zip Code: 15331
Phone Number: 724-239-3244
Residence Years: 1998 1999 2000 2001 2002
.... also found him apparently living with his daughter Judy (obit) ....
John W Danshaw, age 91
Has lived in : Ellsworth, PA, Bentleyville, PA
Related to : Judy Ann Pietrowski, Jean T Danshaw
....U.S. Public Records Index, Volume 2
Name: Judy A Pietrowski
Birth Date: 16 Sep 1958
Address: 107 Lincoln St, Cokeburg, PA, 15324
Hope something here is helpful. Good luck!