Across the world, Jasieński (Jasieński , Ясенский ) is an extremely rare unknown gender first name. Much more prevalently, Jasieński is the last name as well as the forename.
Jasienski
Bruno, Kamil, Jerzy, Filip, Mateusz, Ksawery, and Dziewicz
, Ясенский 
) is an extremely rare unknown gender first name. Much more prevalently, Jasieński is the last name as well as the forename.