|Title || Lord|
|Allegiance || House Jast|
|Spouse || Lady Lanna Lannister|
|Book(s) || A Clash of Kings (mentioned)|
A Storm of Swords (appendix)
A Feast for Crows (appears)
A Dance with Dragons (appendix)
Lord Antario Jast is head of House Jast in the westerlands. He is married to Lady Lanna Lannister.
Lord Jast owns black steel armor with three golden lion heads inlaid on the breastplate.
A Clash of Kings
Antario is among Stafford Lannister's army, and is injured and captured during the Battle of Oxcross. A rumor soon spreads claiming that he died during this battle.
A Storm of Swords
Antario is a captive at Pinkmaiden Castle.
A Feast for Crows
Freed from his captivity, Antario participates in the funeral procession of Lord Tywin Lannister in King's Landing. His wounds and imprisonment have left him a shadow of the man he had been.