Riau, Sultan of Pelalawan
Present sultan (2014): Assaidissyarif Kamarudin Haroen Tengku Besar Pelalawan, Raja Pelalawan ke-10.
Pelalawan Sultanate was part of the Sultanate of Siak until the early 19th century. At that time Abdul Rahman Sharif, brother of the Sultan of Siak beat Ali Sultan Yahya Abdul Jalil Muzaffar Shah of Johor in 1791. He took over the reins Pelalawan and became ruler there, and was recognized by his brother the Sultan of Siak and the Dutch East Indies government in 1811