János was born in 1881. János' father was György Guóth and his mother was Ida Várallyay. His paternal grandparents were János Guóth and Judit Kunos. He had two brothers and a sister, named Endre, Jenő and Irén. He was the oldest of the four children. He died at the age of 30 on December 27th, 1911 in Póla. The funeral took place in Kemenesszetmárton.1