Waclaw Sieroszewski was born on August 24, 1858, in Wlka Kozlowska, Poland, Russian Empire [now Wlka Kozlowska, Mazowieckie, Poland].
Waclaw Korabiewicz died in 1994.
Waclaw Wajser died in 1981.
Waclaw Godlewski died in 1996.
Waclaw Rolicz-Lieder died in 1912.
Waclaw Ulewicz died on December 7, 1990, in Warsaw, Mazowieckie, Poland.
Waclaw Rogucki died on May 18, 1998, in Gdynia, Pomorskie, Poland.
Waclaw Stepien died on October 28, 1993, in Warsaw, Mazowieckie, Poland.
Waclaw Berent died on November 19, 1940, in Warsaw, Mazowieckie, Poland.
Waclaw Bilinski died on April 1, 1999, in Ldz, Ldzkie, Poland.
Waclaw Dybowski died on June 3, 1984, in Bialogard, Zachodniopomorskie, Poland.
Waclaw Domieniecki died on July 4, 1988, in Warsaw, Mazowieckie, Poland.