context: But thanks to the help of his followers and the people of Banda Island who sympathized with Wong Agung Wilis, he finally escaped Rosingain Prison (his place of exile) and fled to Seram Island and then sailed to Bali. Arriving in Bali, he did not continue the struggle. Although his descendants and followers (such as Prince Jagapati who was famous in the Puputan Bayu War in 1773) continued to struggle against the VOC even though it was unsuccessful. He died at Mengwi in 1780 due to very advanced age. [2]
question: what is the cause of death of Wong Agung Wilis?
answers.text: very advanced age