In all the world, Klären (Klären ) is an extremely rare unknown gender first name. Much more frequently, Klären is the last name as well as the forename.
Klaeren, and Klar
Jum, Cornelia, Michael, Manfred, Margret, Werner, Oliver, Ingrid, Thomas, Lennox, Reiner, Pascal, Johannes, Stefan, Elmar, Georg, Peter, Klaus, Kevin, Bernd, Susan, Marit, Timo, Paul, Sven, Felix, and Hermann-Josef
) is an extremely rare unknown gender first name. Much more frequently, Klären is the last name as well as the forename.