Akbar II
Raden Patah was succeeded by his brother-in-law Pati Unus or Adipati Yunus (r. 1518–1521), referred to by Tomé Pires in "Suma Oriental" as "Pate Onus" or "Pate Unus", brother in-law of "Pate Rodim". Before ascending the throne of Demak, he ruled Jepara, a vassal state to the north of Demak. Pati Unus ruled under the regnal name Sultan Syah Alam Akbar II.