Consequently, men and women are forbidden to marry within their recent patrilineage and matrilineage. These are generally synonymous with matrilineage and patrilineage, respectively. Amula was born in the Aryek patrilineage as the son of Alworuna and Acoamfa. The Parombo family (patrilineage) in the Ukuru clan, for example, included 2000 men in 1949. By the Qing, the patrilineage had become the primary organizational device in society.