Family: Percival John Thomas Griffiths / Mary Rebecca McCormick (F2057)
m. 10 Dec 1919| John Henry McCormick  (1868-1946)   | 
| Sarah Adelia Haight  (1875-1940)   | 
| Roland Walter McCormick  (1896-1978)  | 
| Erma Grace McCormick  (1894-1978)  | 
| Wilbur William McCormick  (1903-1990)  | 
| William H McCormick  (1905-1975)  | 
| Mable Adelia McCormick  (1898-1987)  | 
| Percival John Thomas Griffiths  (1897-1984) | 
| Mary Rebecca McCormick  (1900-1969)   | 
| Hilton Frank Griffiths  (1926-2002)  | 
