King of the Stepstones and the Narrow Sea
From A Wiki of Ice and Fire
King of the Stepstones and the Narrow Sea was a title used by Daemon Targaryen during the War for the Stepstones. After Daemon and his allies conquered the Stepstones in the southern narrow sea, Lord Corlys Velaryon placed the crown on his friend's head in 109 AC. Daemon abandoned Bloodstone in 115 AC, however. Five other men claimed to be Kings of the Narrow Sea before the short-lived kingdom collapsed under pressure from the Kingdom of the Three Daughters.