Complex sentence: When he got wind of a plan to depose and exile him by the British, he committed suicide by hanging himself to forestall the plan, he is regarded by most Igalas as the last real Attah Igala.
Split into simpler sentences: When he got wind of a plan by the British to depose and exile him, he committed suicide by hanging himself to forestall the plan. He is regarded by most Igalas as the last real Attah Igala.