Ryszard Grzegorczyk was born on 1939-09-20.
Andrzej Grzegorczyk was born in 1922.
Robert Grzegorczyk was born on 1973-02-19.
Arkadiusz Grzegorczyk was born on February 28, 1963.
Janina Grzegorczyk was born on November 5, 1950, in Glowno, Ldzkie, Poland.
John Grzegorczyk was born on August 11, 1966, in Kenosha, Wisconsin, USA.
Ryszard Wawryniewicz was born in 1962.
Ryszard Bogusz was born in 1951.
Ryszard Seruga was born in 1953.
Ryszard Piec was born in 1913.
Ryszard Głowacki was born in 1937.
Ryszard Reiff was born in 1923.
Ryszard Jedliński was born in 1953.