Simeon Borisov Saxe-Coburg-Gotha is a Bulgarian politician who reigned as the last tsar of the Kingdom of Bulgaria as Simeon II from 1943 until 1946. He was six years old when his father Boris III of Bulgaria died in 1943. Wikipedia
Born: 1937 (age 86 years), Sofia, Bulgaria
Children: Princess Kalina of Bulgaria, Kardam, Prince of Tarnovo, Kyril, Prince of Preslav, and more
Spouse: Margarita Saxe-Coburg-Gotha (m. 1962)
Parents: Boris III of Bulgaria and Giovanna of Savoy
Grandchildren: Boris, Prince of Turnovo, Mafalda, Simeon Hassan Muñoz, and more
Grandparents: Ferdinand I of Bulgaria, Princess Marie Louise of Bourbon-Parma, Victor Emmanuel III, and more