Estinien sorta Mao new Big Brother. When Mao little baby Mao adopted into Dragon family and gots new Big Brother whats protected Mao and shared meats with Mao. Big Brother gots killed by raiding party of Poncy Long-Neck Big-Ears. Mao was so sad and hated Poncy Long-Neck Big-Ears. Years later Mao met Estinien and hims helped Mao learn how to forgives Poncy Long-Neck Big-Ears. Hims also tracked down Big Brother remains (was hanging ups for show in mansion) and helps Mao gives proper burial. Mao sees Estinien as new Big Brother.