Easy to name the source of the two:

1, from jiang, in order to easy for surname.Lawrence w. zhou felling, jiangshang as a strategist, armies to assist featuring a victory, won the trust of the Lawrence w..He by qi.Later, sealing his children in Taiwan, this part of the offspring of jiangshang so to place name as the name, for easy to name.This is the origin of hebei yi's.

2, from his doctor after yi tooth, with their name as a surname.When the spring and autumn period and the king's favourite indicates wu, word teeth, due to the Yi Yi food intake is also called teeth.The person good at cooking, but sex good, but have ambition.Guanzhong died, said yi tooth "kill the child comfortable gentleman", in violation of the human, cannot be reused, but the king did not listen to.After the death of guanzhong, easy teeth with vertical diao, prescribing authoritarian, the king of qi was ill after, they have taken advantage of the crisis, kill a large number of officials, prince Edward, and will be out of the palace, king made childe without loss.Later killed by other ministers.Yi tooth and of the sons of the surname is easy to say yi's.For shandong's easily.