Jam Tamachi (Jam Khairuddin) (1367–1379 AD) or Jam Khairuddin bin Jam Unar, a famous sultan of the Samma dynasty
Jam Nizamuddin II (866–914 AH, 1461–1508 AD), the most famous sultan of the Samma dynasty
Jam Rawal or Jam Shri Rawalji Lakhoji Jadeja (1480-1562), Jadeja Rajput ruler of Kutch State (1524-1548) and founder-ruler of Nawanagar State (1540-1562)
Jam Ferozudin (1508–1527) or Jam Feruz bin Jam Nizam, last ruler of the Samma dynasty 926 AH (1519 AD)
^Goswamy, B. N. (1983). A Place Apart: Painting in Kutch, 1720-1820. Oxford University Press, 1983. p. 7. ISBN9780195613117. His successor, Jam Pumvro, had more than his share of troubles, and earned an evil reputation for himself but, for us, his title is of interest for it was derived apparently from the legendary Jamshed of Iranian origin.