耶律倍
Two more important innovations were introduced in 916. He adopted Chinese court formalities in which he declared himself Celestial Emperor in the Chinese-style and adopted an era name, also in the Chinese manner of ruling. The second was to name his son, Yelü Bei, as his heir apparent, also a first in Khitan society and something that directly contrasted with Khitan notions of rule by merit. This second innovation did not take hold easily as only a few of his successors experienced simple successions.