Otto Karl Stiefel was born on 16 Sep 1931 in Neuenhaus, Germany; died on 06 Feb 1994 in Hawley, Minnesota, USA; was buried in Indian Orchard Cemetery, Indian Orchard, Wayne, Pennsylvania, USA.
Reinhold Helber was born on 01 May 1911 in Neu Elft, Bessarabia, Russia (son of Jacob Helber and Helena Fischer); died on 20 Jul 1972 in Altenriet, Baden-Württemberg, Germany.