In the world, Filleul (Filleul 
) is an extremely rare unknown gender first name. Much more frequently, Filleul is the last name as well as the forename.
Mr, Noam, Eric, Isis, Yves, Maria, Marie, Mario, Midge, Sarah, Samia, Simon, Susan, Serge, Scott, Alice, Alain, Andre, Anais, Angel, Nick, Theo, Jime, Jean, Ms, Sã, Ana, Kay, Ray, Deb, Marc, Mary, Alli, Annie, Andy, Coco, Cphr, Brad, Paul, Phil, Rudy, Loic, Léa, John, Anne, and Artur