Complex sentence: As the Hamir, Sumra of Amarkot, killed his own father, Kesar Makwana swore an oath to avenge him, and in the 12th century a war erupted between Maharaja of Kirtigarh, Shri Kesar dev Makwana and the emperor of Sindh, Hamir Sumra.
Split into simpler sentences: As the Hamir, Sumra of Amarkot, killed his own father, Kesar Makwana swore an oath to avenge him. In the 12th century a war erupted between Maharaja of Kirtigarh, Shri Kesar dev Makwana and the emperor of Sindh, Hamir Sumra.