Rhesus.

Rhesus (Ῥῆσος) (Rhêsos) was a king of Thrace in Greek myths and legends. This character appears in the Iliad.

Strymon and Euterpe were his parents. Also, Rhesus had siblings.

He took part in the Trojan War.

Rhesus had a wife Arganthone (Ἀργανθώνη).

He was killed by Odysseus.

Euterpe.

Euterpe (Εὐτέρπη) was the Muse of lyric poetry in Greek mythology. Double flute was her symbol.

Zeus was Euterpe's father and Titaness Mnemosyne was her mother.

Euterpe had several sisters: Calliope, Clio, Polyhymnia, Urania, Erato, Thalia, Terpsichore, and Melpomene.

Strymon (Στρυμών) and Apollo were her consorts. Rhesus (Ῥῆσος) (Rhêsos) and Orpheus were Euterpe's sons.