Silmariën was the oldest child of King Tar-Elendil. Her other siblings were Isilmë and Meneldur. Women were not allowed to rule at the time of her father, so when Tar-Elendil relinquished the Sceptre, she was passed over for the throne in favor of her younger brother, Tar-Meneldur. After her marriage with Elatan, they had a son named Valandil who became the first Lord of Andúnië.
From her and her husband's lineage came the Kings of Gondor and Arnor living in exile in Middle-earth. Nevertheless, she was one of the most significant of Númenor's royal family, as she presumably inherited both the sword Narsil and the Ring of Barahir from Tar-Elendil, her father. These heirlooms were then handed down to her descendants, the Lords of Andúnië and later the Kings of Gondor and Arnor. The royal jewel, Elendilmir, included a fillet of Mithril that had once belonged to Silmariën survived the Fall of Númenor to become part of the crown of Arnor, and eventually survived up until the time of King Aragorn Elessar.
The name Silmariën was a Quenya word that was likely to have meant "silver maiden". It came from the words silma ("silver, shining white") and rien ("maiden, daughter"). Although unlikely, Silmariën may even have meant "maiden crowned with silver", as the Sindarin word ríen means ("crowned lady, queen").
|Foreign Language||Translated name|
|Kazakh||Сілмаріен (Cyrillic) Silmarien (Latin)|
|Korean||실 마리 엔|
|Serbian||Силмариен (Cyrillic) Silmarien (Latin)|
|Uzbek||Силмариен (Cyrillic) Silmarien (Latin)|
- Unfinished Tales, Part Two: The Second Age, III: "The Line of Elros: Kings of Númenor", from the founding of the City of Armenelos to the Downfall
- Unfinished Tales, Part Two: The Second Age, chapter II: "Aldarion and Erendis: The Mariner's Wife"
- Unfinished Tales, Part Two: The Second Age, chapter I: "A Description of the Island of Númenor", Notes
- Unfinished Tales, Part Three: The Third Age, chapter I: "The Disaster of the Gladden Fields"
- The History of Middle-earth, Vol. V: The Lost Road and Other Writings, Part Three: "The Etymologies"