When eighty of Lord Luan's armsmen led by Jurad Accan are attacked by Lord Nasin's troops, Doilin Mellar leads a sortie to rescue them and bring them into Caemlyn. (CoT,Ch11)
Lord Nasin supports Arymilla for the throne, convinced that she is his daughter. He also tries to woo Lady Elenia. (CoT,Ch15)
Other References
LoC,Ch1 - Nasin is High Seat of House Caeren. The sign of House Caeren is a Star and Sword.