- Distinction: Settsu warlord
Chikaoki was a minor power in Settsu Province and controlled Itami castle. He submitted to Oda Nobunaga in 1568 and defeated a Miyoshi army at Katsuragawa in 1569 on his behalf. In 1574 he was accused of having consorted with Ashikaga Yoshiaki and had his castle sieged by Araki Murashige. He surrendered and was deprived of his lands.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005