Family name สุดดวงใจ (สุดดวงใจ 
) , all around the world, is an extremely rare surname. The last name สุดดวงใจ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, สุดดวงใจ is the forename as well as the last name.
สายศรี, and ฉันท์ธนกุล