 Thus, the pair or the family can be named by plural form which can differ from the singular male and female form.E.g., when the male form is Novák and the female form Nováková, the family name is Novákovi in Czech and Novákovci in Slovak.When male form is Hrubý and female form is Hrubá, the plural family name is Hrubí (or "rodina Hrubých").