Natalia Trefilova
Natalia Trefilova ( also Nataliya ) , born 1 July 1971 , is a former freestyle swimmer from the Soviet Union . 
<triplet> Natalia Trefilova <subj> 1 July 1971 <obj> date of birth <subj> swimmer <obj> sport <triplet> freestyle <subj> swimmer <obj> subclass of