Melchior Lengyel was born on January 12, 1880, in Balmazjvros, Austria-Hungary (now Hungary).
Olga Samaroff died in 1948.
Olga Deterding died in 1978.
Olga Dubeneckienė died in 1967.
Olga Bernstein Kohlberg died in 1935.
Olga Lengyel was born in 1908.
Gyula Lengyel died in 1941.
Árpád Lengyel died in 1993.
Cornel Lengyel died on 2003-03-12.
Erzsi Lengyel died on May 21, 2012.
Gizi Lengyel died on July 3, 1984, in Budapest, Hungary.
Melchior Lengyel died on October 23, 1974, in Budapest, Hungary.
Vilmos Lengyel died on April 14, 1954, in Budapest, Hungary.
I A. Lengyel has written: 'Palaeoserology'
Jack Lengyel was born in 1935.
Theo Lengyel was born in 1970.
Árpád Lengyel was born in 1915.