 Airlangga has two younger brothers, Marakata (later become king of Bali after the death of their father) and Anak Wungçu (ascend to Balinese throne after the death of Marakata).Later, in various inscriptions created by Airlangga, he claimed to be the descendant of Mpu Sindok of Isyana dynasty.However, there is a speculation suggesting that Airlangga was not the biological son of king Udayana, Mahendradatta was probably conceived Airlangga from her previous union to an unknown man, that after her separation (either because of death or divorce) Mahendradatta was betrothed to Balinese king, thus she took the baby Airlangga to Bali.