Quisi (Heb. Qîshî, “my gift” or “Yahweh’s bow”). Merarite Levite (1Ch 6:44) called Cusaiah* in 1Ch 15:17
Source: Evangelical Bible Dictionary
†¢Cusaiah.
Source: Christian Bible Dictionary
(abbreviated form of Qusayá).
Apparently he is the same person as Qusayá, a Merarita Levite who was the father of the musician Etán. (1Ch 6:19, 44; 15:17)
Source: Dictionary of the Bible