Venilia
According to Virgil and Ovid , she was a nymph , the sister of Amata and the wife of Janus ( or Faunus ) , with whom she had three children: Turnus , Juturna , and Canens . 
<triplet> Janus <subj> Juturna <obj> spouse <subj> Canens <obj> child <triplet> Turnus <subj> Juturna <obj> sibling <triplet> Juturna <subj> Janus <obj> spouse <subj> Turnus <obj> sibling <triplet> Canens <subj> Janus <obj> father