Thammathibet Thai prince (1715–1755) Parents Aphainuchit Borommakot Children Chuan of Ayutthaya Prathum Srisang Phithakphubet Siblings Suriya of Ayutthaya Chanthawadi Kunthon Uthumphon Wimonphat Mongkut of Ayutthaya Yisanseni Ekkathat Phinthawadi Krom Muen Thep Phiphit Partners Yisanseni