Maia
Maia is the daughter of Atlas and Pleione the Oceanid , and is the oldest of the seven Pleiades . 
<triplet> Maia <subj> Pleione <obj> mother <triplet> Atlas <subj> Maia <obj> child <subj> Pleione <obj> spouse <triplet> Pleione <subj> Maia <obj> child <subj> Atlas <obj> spouse <subj> Oceanid <obj> instance of