Abiriba: Where in-laws and nwadi-anas (mother’s family) inherit properties (200 years and counting)By OzoIgboNdu1 of Igbo Defender / November 18, 2018 Abiriba people operate a unique system of lineage: the Ikwu-nne (mother’s lineage), the Ikwu-nna (father’s lineage) and the Ogo (in-law) Interesting read. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Related Share via: Facebook X (Twitter) LinkedIn More