He subsequently became involved in a bitter fight with his nephew Abu Kalijar , who controlled Fars and Kerman .
The army took more than two years before choosing Jalal al - Dawla as his successor in June 1027 .
Jalal al - Dawla subsequently became involved in a bitter fight with Jalal al - Dawla 's nephew Abu Kalijar , who controlled Fars and Kerman .
The army took more than two years before choosing Jalal al - Dawla as his successor in June 1027 .