All around the world, Peťková (Peťková ) is an extremely rare unknown gender first name. Much more frequently, Peťková is the last name as well as the forename.
Petkova
Ida, Veronika, Gabriela, Adriána, Michaela, Barbora, Zuzana, Helena, Kamila, Katarína, Adelka, Monika, Iveta, Lucka, Lucia, Lenka, Daša, Jana, Kika, Andrea, and Jaroslava