Complex sentence: His adopted son Rajaram II of Satara, claimed to be Tarabai's grandson succeeded him, but the actual power was held by others: first by Tarabai and then by Peshwa Balaji Baji Rao.
Split into simpler sentences: His adopted son Rajaram II of Satara claimed to be Tarabai's grandson and succeeded him. But the actual power was held by others: first by Tarabai and then by Peshwa Balaji Baji Rao.