Vignetted full length photograph of a seated baby in a light-coloured dress.Kosta (~ 1892 - 1969) was the son of Stefan Stambolov. Stefan Stambolov (1854 - 1895) was a Bulgarian politician, a deputy at the Bulgarian Founding Assembly of 1879, Vice Chairman and later Chairman of the Bulgarian Parliament. In 1886 Stambolov became Regent until the proclamation of Ferdinand of Saxe-Coburg-Gotha as Knyaz of the autonomous Principality of Bulgaria in 1887. He was also Prime Minister for seven years (1887 - 1894). Stambolov was assassinated in July 1895