Amarylis Umber

Amarylis Umber, nee Manderly is an unseen character in Game of Thrones. She is not expected to appear in the series, being long dead by the time it starts. She is one of the earliest recorded members of Houses Manderly and Umber, and an ancient ancestor of the Greatjon

Background
Amarylis Umber is an early member of House Manderly. She married Lord Hothor Umber and bore him five sons: Harkon, Mycah, Lucan, Gareth and Joseth, and two daughters, Regan and Corin.

Season 1
She is referenced in her husband's entry in The Lineage and Histories of the Great Houses of the Seven Kingdoms.

In the books
Amarylis Umber is referenced only in the TV adaptation of A Song of Ice and Fire and has no corresponding counterpart in the books.