Percival John Thomas Griffiths
 1897 - 1984  (87 years)
 1897 - 1984  (87 years)(Notes: You may have to scroll down or right to see chart.)
| Hilton Frank Griffiths  1926-2002 | 
| Hilton Frank Griffiths | |
| B: | 10 Aug 1926 | 
| Newberg, Yamhill, Oregon, USA | |
| D: | 24 Mar 2002 | 
| Salem, Marion, Oregon, USA | |
| Glenna Rae Griffiths  1926-2012 | 
| Glenna Rae Griffiths | |
| B: | 11 Jan 1926 | 
| D: | 14 May 2012 | 
| Percival John Thomas Griffiths  1897-1984 | 
| Percival John Thomas Griffiths | |
| B: | 21 Mar 1897 | 
| Shanklin, Isle of Whight, England | |
| D: | 30 Sep 1984 | 
| Marion, Oregon, USA | |
| Mary Rebecca McCormick  1900-1969 | 
| Mary Rebecca McCormick | |
| B: | Apr 1900 | 
| Michigan, USA | |
| D: | 16 Dec 1969 | 


