As the service of Ikoku keigobanyaku was extended, some Gokenin from other areas, but had territories in Kyushu, started to settle down in Kyushu, some could not prevent their branch families from becoming independent in their home province or in Kyushu, and some had their retainers split into the home province faction and the Kyushu faction (e.g., the Chiba clan was divided into the Chiba clan and the Kyushu Chiba clan.)
更に異国警備番役の長期化に伴って、九州に所領を有していた他の地方御家人の中には現地に土着をしたり、本国もしくは九州における庶流の独立や本国側と九州側による家中分裂などを引き起こす例もあった（例千葉氏と九州千葉氏の分立）。