Walter Osterkamp

 may mean:  titleregexp=.*Walter.*Osterkamp.*info namespace= includepage={info} disambig mode=userformat listseparators={|\n \n! \n!\n|-,\n|-\n,\n|,\n|} 
 * Walter H. Osterkamp
 * Walter H. Osterkamp, Jr.
 * Walter R. Osterkamp

Comparison
 titleregexp=.*Walter.*Osterkamp.*info namespace= includepage={info} dpl mode=userformat listseparators=\n{|class=sortable border=1 cellpadding=3 \n!Person \n!Birth \n!Death \n!Father \n!Mother\n!Spouse\n|-,\n|-\n,\n|,\n|} 