šestero

1. Croat. (of people, children) six people; six
   Bilo nas je šestero na večeri. — There were six of us at dinner.
   Imaju šestero unučadi. — They have six grandchildren.

In Serbia the usual form is šestoro; it normally takes the genitive plural (šestoro ljudi), but the collective noun deca takes the genitive singular (šestoro dece).