Feliks Dobrowolski was born on July 8, 1884, in Warsaw, Poland, Russian Empire [now Warsaw, Mazowieckie, Poland].
Franciszek Dobrowolski died in 1896.
Antoni Bolesław Dobrowolski died in 1954.
Andrzej Dobrowolski died on August 8, 1990, in Graz, Austria.
Jerzy Dobrowolski died on July 17, 1987, in Warsaw, Mazowieckie, Poland.
Feliks Barański died in 2006.
Piotr Feliks died in 1941.
Feliks Sypniewski died in 1903.
Feliks Łubieński died in 1848.
Feliks Ankerstein died in 1955.
Feliks Jaroński died in 1827.
Feliks Koneczny died in 1949.