1 Chronicles 6:44
And their brothers the sons of Merari stood on the left hand: Ethan the son of Kishi, the son of Abdi, the son of Malluch,
Nave's Topical Index

1 Chronicles 15:17
So the Levites appointed Heman the son of Joel; and of his brothers, Asaph the son of Berechiah; and of the sons of Merari their brothers, Ethan the son of Kushaiah;
Nave's Topical Index

On the Psalms. I.
... some also that belong to Idithum (Jeduthun); and besides ... the music; and that they
are called "psalms of ... choirs, viz., Asaph, Aman (Heman), Ethan, and Idithum ...
/.../hippolytus/the extant works and fragments of hippolytus/on the psalms i.htm

Jeduthun

Jeduthun: A Musician of the Temple

Jeduthun: Called Ethan

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