Encyclopaedia WoT: Cassin

He has yellow hair and is an inch taller than Rand. (LoC,Ch19)

When Rand returns to Caemlyn, Liah and Cassin accompany Aviendha and him back to his quarters. (LoC,Ch19)
Liah and Cassin accompany Rand as he goes to meet with Elder Haman, Covril and Erith. (LoC,Ch20)
Sulin, Liah and Cassin walk in on Rand and the Ogier as Rand opens a gateway to Shadar Logoth. (LoC,Ch21)

In Lord of Chaos
1. LoC,Ch19 - Cassin is a member of the Red Shields society. He is a Goshien Aiel.