After Yoritsuna, the lineage of the Tada clan produced collateral branches, such as the Baba and Yamagata clans, and over of more than 200 years the lineage inherited the real estate in Tada, which was the oldest territory of all owned by Seiwa-Genji (Minamoto clan).
頼綱以降では馬場氏族や山県氏族といった庶流を輩出しており、多田氏の系統は清和源氏一族の最も古い所領である多田の地を200年余りに渡って相続した。