Tethys

Tethys' father is Uranus ("himmel") and her mother is Gaea ("jord").  Her paternal grandparents are Chaos and Gaea ("jord"); her maternal grandparents are Chaos and Caligo. She has six brothers and ten sisters, named Crius, Oceanus, Hyperion, Iapetus, Coeus, Chronos, Euryphaessa, Demeter, Aphrodite, Dione, Rhea, Theia, Themis, Phoebe, Mneme and Mnemosyne. She has eleven half-brothers and four half-sisters, named Pontus, "himmel", Atlas, Cranaus, Amphictyon, Pelasgus, Cecrops, Erechtheus, Triptolemus, Nereus, Echion, Metis, Pandora, Creusa and Eurybia.

They have sixteen sons and seventeen daughters, named Crinisus, Simoeis, Peneius, Cephissus, Achelous, Neilos, Asopus, Xanthus, Inachos, Inachus, Phorcus, Nilus, Ladon, Strymon, Uchoreus, Xanthus, Eurynome, Amphitrite, Merope, Clymene, Metis, Pero, Perse, Daeira, Asia, Dione, Argeia, Doris, Aethra, Callirhoe, Melia, Meliboea and the Oceanide.