Elphir was the twenty-third Prince of Dol Amroth. He was the oldest son of the four children of Imrahil, his mother is unknown. Elphir was born in T.A. 2987 and died in F.A. 57. He had two brothers, Erchirion and Amrothos, and a sister, Lothiriel. His wife's name is unknown but he had a child, Alphros.