Tosca Musk
Tosca is the sister of entrepreneurs Elon and Kimbal Musk and daughter of Maye Musk . 
<triplet> Elon <subj> Kimbal Musk <obj> sibling <subj> Maye Musk <obj> mother <triplet> Kimbal Musk <subj> Elon <obj> sibling <subj> Maye Musk <obj> mother <triplet> Maye Musk <subj> Elon <obj> child <subj> Kimbal Musk <obj> child