In all the world, Gladun (Gladun , Гладун ) is an extremely rare unknown gender forename. Much more frequently, Gladun is the last name as well as the forename.
Gładun, Gładuń, Hladun, and גלאדון
, Гладун 
) is an extremely rare unknown gender forename. Much more frequently, Gladun is the last name as well as the forename.