|Mentioned in||"A Golden Crown"|
|Also known as||Regan Umber|
|Family||Morag Umber - grandmother
Hothor Umber - father
Amarylis Umber - mother
Harkon Umber - brother
Mycah Umber - brother
Lucan Umber - brother
Gareth Umber - brother
Joseth Umber - brother
Corin Umber - sister
Commard Karstark - husband
Berrican Karstark - son
Petyr Karstark - son
Jon Karstark - son
Laurence Karstark - son
- "Born to Lord Hothor Umber and Lady Amarylis Umber in the 186th year after Aegon's Landing at the Last Hearth. Blue of eye, dark brown of hair and fair complected. Wedded on her seventeenth nameday to Commard Karstark, Third of His Name, son of Lord Beric Karstark and Lady Mara Karstark at Karhold. Mother to five sons, their names being: Berrican, (illegible), Petyr, Jon and Laurence. Died peacefully in her sleep in her seventy eighth year."
- ―Excerpt from The Lineages and Histories of the Great Houses of the Seven Kingdoms
Regan Karstark, nee Umber 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 House Umber, and an ancient ancestor of the Greatjon and of Lord Rickard Karstark.
She has an entry in The Lineages and Histories of the Great Houses of the Seven Kingdoms.
In the books
Regan Karstark is referenced only in the TV adaptation of A Song of Ice and Fire and has no corresponding counterpart in the books.
|Lord:||Lord Greatjon Umber||Heir:||Smalljon Umber|
|Seat:||Last Hearth||Lands:||The North|
|Title(s):||Lord of Last Hearth|
|Ancestors:||Morag Umber · Hothor Umber · Amarylis Umber · Harkon Umber · Mycah Umber · Lucan Umber · Gareth Umber · Joseth Umber · Regan Umber · Corin Umber · Brandon Umber · Kear Umber · Finn Umber · Emilia Umber · Morgana Umber · Maynard Umber · Cedric Umber|
|Title(s):||Lord of Karhold|
|Ancestors:||Brandon the Builder · Rodrik Stark · Karlon Stark · Beric Karstark · Mara Karstark · Commard Karstark · Regan Karstark · Berrican Karstark · Petyr Karstark · Laurence Karstark · Jon Karstark|
|Deceased members:||Rickard Karstark · Torrhen Karstark · Harrion Karstark|