King of Ruthenia, King of Rus', King of Galicia and Lodomeria, Lord and Heir of Ruthenian Lands was a title of princes of Galicia and Volhynia, granted by the Pope.
Daniel of Galicia
Daniel Romanovich, known as Daniel of Galicia, was Prince of Galicia, Volhynia, Grand Prince of Kiev (1240), and King of Ruthenia (1253–1264).
Territorial boundaries of the Kingdom of Galicia–Volhynia (1245-1349).