Giantess: Fenia and Menia

Exploits: Enslaved to mill gold and salt, Salters of the sea

Relations: Slave to King Frodi of Denmark and later to Mysing, a sea-king (Viking)
Giantess: Gunnlod

Exploits: Keeper of the Mead of Poetry

Relations: One of Odin's many lovers
Giantess: Jarnsaxa (Iarnsaxa)

Exploits: Sif's rival for Thor's love

Relations: Mother to Magni & Modi
Giantess: Grid

Exploits: Gift giver to Thor

Relations: Mother to Vidar
Giantess: Angerboda

Exploits: Mother of Monsters and Deities

Relations: Mother to Hel, Jormungand (The Midgard Serpent), & Fenrir (The giant wolf)
Giantess: Bestla

Exploits: Mother of the Creators

Relations: Daughter to Bolthor, Wife to Bor, Mother to Odin, Vili & Ve
Giant: Aspilian

Exploits: Ravager of Farmland

Relations: Unknown
Giant: Hyrm

Exploits: Captain and Pilot of the ship Naglfar

Relations: Unknown
Giant: Suttung

Exploits: Holder of the Mead of Poetry, Capable of transforming into an eagle

Relations: Son to Gilling, Father to Gunnlod
Giant: Utgardaloki

Exploits: Watcher of the citadel of Utgard, King of the Giants, Master of Illusions and Deception

Relations: Skrymir (An illusionary giant created by Utgardaloki to trick Thor)
Giant: Thiassi

Exploits: Abducter of Idun, Capable of transforming into an eagle

Relations: Father to Skadi, Brother to Gang & Idi
Giant: Geirrod

Exploits: Attepted to kill Thor

Relations: Father to Gialp & Greip
Giant: Hymir

Exploits: Holder of the a magic brewing cauldron

Relations: Fishing buddy of Thor
Giant: Hrungnir

Exploits: Strongest of the Giants

Relations: Unknown
Giant: Thrym

Exploits: King of Jötunheim, Ruler of the Frost Giants

Relations: Frost Giant
Giant: Hrimthurs

Exploits: Creator of the Wall of Asgard

Relations: Frost Giant
Giant: Vafthrudnir

Exploits: Wisest of the Giants

Relations: Son of Im
Giant: Surtur (Surt)

Exploits: Ruler of Muspelheim & Lead of the Fire Giants

Relations: Father to the end of days (Ragnarök)
Giant: Thrudgelmir

Exploits: The First Frost Giant

Relations: Father to Bergelmir            
Giant: Ymir (Aurgelmir)

Exploits:  The Ancestral Giant, First of the Giants

Relations: Father to Thrudgelmir       
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Giantess: Nive Waves (Himinglaeva, Dufa, Blodughadd, Hefring, Unn, Hronn, Bylgia, Drofn, Kolga)

Exploits: Sea Giantess

Relations: Mothers to Heimdall
Giant: Bergelmer

Exploits: Surviver of the blood flood caused by the slaying of Ymir that wiped out all other frost giants

Relations: Son of Thrudgelmir and grandson of Ymir