Guy Sebastian is an Australian singer-songwriter who was born on October 26, 1981, in Klang, Selangor, Malaysia. His father, Ivan, is an ethnic Malaysian Indian of Tamil origin and Ceylonese descent with distant colonial Portuguese roots, while his mother Nellie is an ethnic Eurasian with English and Portuguese ancestry for the European portion and was raised in Kanpur, India. Sebastian moved to Adelaide, Australia, with his family at a young age. He is an Australian citizen and has Australian nationality.