Tantalus

Mother: Niobe

Father: Amphion

Siblings: Agenor, Amyclas, Astyoche, Astycratia, Chloris, Cleodoxa, Damasichthon, Ethodaia, Eupinytus, Ismenus, Meliboea, Ogygia, Pelopia, Phaedimus, Phthia, Phylomache, Sipylus

Niobids

Thebes

1. Niobe gives birth to seven sons and seven daughters
2. Apollo shoots down Niobe’s sons

Apollodorus - Library and Epitome: Library, Section 5.6