Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
child [tʃaɪld] (pl children) n ребёнок#; (fig)
child (of) дитя́ (+gen)
do you have any children? у Вас есть де́ти?
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.