The great wave that washed half way up the cliff smashed the boats at anchor, ruined the dockside tithe-barns and storehouses, and washed the piers out to sea, but the stone fortress on the promontory escaped unscathed. The Lord of Cobas begged labor and drove his subjects to rebuild, for the Lord loved his land and would protect his people from the wrath of a supply-shorted King of Númenor.
The sea stayed empty for months. Then a ship came from the North.
Elendil stepped onto the raw wooden dock. “Cousin, Númenor has fallen. Will you stand with me against darkness?”
The Lord of Dol Amroth had this title (Prince). It was given to his ancestors by Elendil, with whom they had kinship. They were a family of the Faithful who had sailed from Númenor before the Downfall and had settled in the land of Belfalas, between the mouths of Ringló and Gilrain, with a stronghold upon the high promontory
Unfinished Tales
I’m probably taking liberties to call this ancestor “Lord of Cobas,” but it seemed a reasonable extrapolation from the location. - Gwynnyd