There are several disadvantages for realms and families that adopt ultimogeniture. He made a distinction between a complete and a preferential form of primogeniture and ultimogeniture. Chukchi, Koryak and Ket peoples practiced male ultimogeniture. Patrilineal ultimogeniture ("Borough English") prevailed elsewhere in the champion country. In easternmost Europe, Patrilineal ultimogeniture prevailed among most Turkic peoples. The Cham, the Jaintia, the Garo and the Khasi practiced female ultimogeniture.