Globally, Dědeček (Dědeček , Дедечек ) is an extremely rare unknown gender first name. Much more prevalently, Dědeček is the last name as well as the forename.
Dedecek, and Dědečková
Jan, Lukáš, Dominik, Franta, Honzik, Jiří, Michal, Jaroslav, Filip, Jakub, Dedko, Roman, Pavel, Milan, Petr, Josef, and Jaromír
, Дедечек 
) is an extremely rare unknown gender first name. Much more prevalently, Dědeček is the last name as well as the forename.