proper noun/ˈkeθon/
a surname from Hokkien, originally of Chinese origin common with Filipinos of Chinese ancestry; Manuel Quezon (2nd president of the Philippines); a province of Calabarzon, Luzon, Philippines; Former name: Tayabas; capital and largest city: Lucena.; several locations in the Philippines:
The surname is from Hokkien, possibly 雞孫 /鸡孙 (ke-sun). The placenames in the Philippines are named after Pres. Manuel Quezon, the 2nd president of the Philippines. See also Tuazon, Dizon, Lacson, Tiongson, Singson, Pecson, etc.