Family: John Francis Clark / Wittmer (F151805)
| Charles John Wittmer  (1911-1973) | 
| Margaret Hack  (1917-1972)   | 
| Charles J. Wittmer  (1941-2009)  | 
| Arthur Joseph Wittmer  (1944-1945) | 
| Patricia Wittmer  (1948-2010)  | 
| John Francis Clark  (1940-2009) | 
 
		| Charles John Wittmer  (1911-1973) | 
| Margaret Hack  (1917-1972)   | 
| Charles J. Wittmer  (1941-2009)  | 
| Arthur Joseph Wittmer  (1944-1945) | 
| Patricia Wittmer  (1948-2010)  | 
| John Francis Clark  (1940-2009) | 
