Triptolemus.

Triptolemus (Τριπτόλεμος) (Triptólemos), also known as Buzyges (Βουζύγης) (Bouzýgēs) was involved in agriculture in Greek myths and legends.

Oceanus and Gaia (Γαῖα) (Gaîa), or Celeus (Κελεός) (Keleós) and Metanita (Μετάνειρα ) (Metáneira), or Polyhymnia were his parents. Orpheus (Ὀρφεύς), Demophon (Δημοφῶν) (Δημοφόων), and Callidice (Καλλιδίκη) (Kallidíkē) were brothers and sister of Triptolemus.

He met with Demeter (Δημήτηρ) (Dēmḗtēr) and Persephone (Περσεφόνη) (Persephónē).

Polyhymnia.

Polyhymnia (Πολυύμνια) was the Muse of poetry and dance in Greek mythology.

Zeus was her father and Mnemosyne (Μνημοσύνη) was her mother.

Calliope (Καλλιόπη) (Kalliópē), Urania (Οὐρανία) (Ouranía), Clio (Κλειώ), Euterpe (Εὐτέρπη), Erato (Ἐρατώ), Terpsichore (Τερψιχόρη), Thalia (Θάλεια), and Melpomene (Μελπομένη) (Melpoménē) were Polyhymnia's siblings.

Orpheus (Ὀρφεύς) and Triptolemus (Τριπτόλεμος) (Triptólemos) were her sons.

There are different arts about Polyhymnia.