Syed Mashhor bin Syed Muhammad Ash-Sahab, also written as Syed Masahor[1] was born in Langat.[2] His father Syed Muhammad Ash-Sabab is of Arab descent from Pontianak[3] (West Kalimantan). Syed Mashhor was a cousin of Sultan Abdul Samad on his mother's side.[4] During the outbreak of the Klang War, he was in Perlis visiting his family.
The Klang War was between Raja Mahadi, Raja Mahmud and Syed Mashhor who were supported by tin miners from the Ghee Hin vs Tengku Kudin (the viceroy of Yamtuan) and Yap Ah Loy who were supported by troops from Pahang and tin miners from the clan Hai San.
^Ulrike Freitag, W. G. Clarence-Smith (1997). Hadhrami Traders, Scholars, and Statesmen in the Indian Ocean, 1750s-1960s: 1750s- 1960s. 1997. p. 92. ISBN90-04-10771-1.
^P.L. Burns (1976). The Journals of J.W.W. Birch : First British Resident to Perak 1874-1875. Oxford University Press. p. 150.
^P.L. Burns (1976). The Journals of J.W.W. Birch : First British Resident to Perak 1874-1875. Oxford University Press. p. 150.
^Gullick, JM. "A History of Selangor. ISBN 9679948102". The Malaysian Branch of the Royal Asiatic Society. ms 64.