[name_m]Maciej[/name_m] or [name_m]Matej[/name_m]
[name_f]Nina[/name_f] or [name_f]Katerina[/name_f]
[name_f]Maja[/name_f] or [name_f]Kaja[/name_f]
[name_m]Leo[/name_m] or [name_m]Leon[/name_m]
[name_f]Klara[/name_f] or [name_f]Clara[/name_f]
[name_m]Julian[/name_m] or [name_m]Julien[/name_m]
[name_m]Janek[/name_m] or [name_f]Jannis[/name_f]
[name_f]Ivalo[/name_f] or [name_f]Eva[/name_f]
Bryndís or Brynja
[name_f]Mileva[/name_f] or [name_f]Milena[/name_f]
[name_m]Feel[/name_m] free to add more suggestions and feedback!