Fortuna
She was also a goddess of fate: as "Atrox Fortuna" , she claimed the young lives of the princeps Augustus' grandsons Gaius and Lucius , prospective heirs to the Empire . 
<triplet> Augustus <subj> Gaius <obj> child <subj> Lucius <obj> child <triplet> Gaius <subj> Augustus <obj> father <subj> Lucius <obj> sibling <triplet> Lucius <subj> Gaius <obj> sibling