Outline of Middle-earth - History of Middle-earth - Characters - First Age

First Age

House of Finwë

• Finwë
• Míriel (first wife of Finwë)
  • Fëanor
• Indis (second wife of Finwë)
  • Findis
  • Fingolfin
  • Irimë
  • Finarfin

Sons of Fëanor

• Maedhros
• Maglor
• Celegorm
• Caranthir
• Curufin
  • Celebrimbor
• Amrod
• Amras

House of Fingolfin

• Fingon
• Turgon
  • Idril Celebrindal
• Aredhel
  • Maeglin
• Argon

House of Finarfin

• Finrod Felagund
• Angrod
  • Orodreth
    • Rodnor Gil-galad
    • Finduilas
• Aegnor
• Galadriel
  • Celebrían
    • Arwen

House of Elwë and Olwë

• Elwë (Elu Thingol)
• Melian (wife of Thingol)
  • Lúthien Tinúviel
• Olwë
  • Eärwen

House of Bëor

• Bëor the Old
• Bregor
  • Barahir
    • Beren Erchamion
  • Bregolas
    • Belegund
      • Rían
    • Baragund
      • Morwen

House of Marach

• Marach
• Hador Lórindol
  • Gundor
  • Galdor
    • Húrin
      • Túrin Turambar
      • Nienor Níniel
    • Huor
      • Tuor
  • Glóredhel

Descendants of Lúthien and Beren

• Dior Thingol's Heir
  • Eluréd and Elurín
  • Elwing
    • Elrond
    • Elros

Descendants of Idril and Tuor

• Eärendil the Mariner
  • Elrond
    • Elladan
    • Elrohir
    • Arwen Undómiel
  • Elros
    • Kings of Númenor

Haladin of Brethil

• Haldad
• Haleth
• Haldar
• Haldan
  • • Halmir
      • Haldir
        • Handir
          • Brandir the Lame
      • Hareth
        • Húrin
        • Huor
      • Hundar

Others

• Círdan, lord of the Falas
• Beleg the Bowman
• Glorfindel of Gondolin
• Ecthelion of the Fountain
• Eöl the Dark Elf
• Maeglin, sister-son of Turgon
• Durin the Deathless, father of the Longbeards
• Gothmog, lord of Balrogs
• Sauron aka Gorthaur, Lord of Werewolves

For a list of the Valar, see that article.