- "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. "
- ―Excerpt from The Lineages and Histories of the Great Houses of the Seven Kingdoms
He has an entry in The Lineages and Histories of the Great Houses of the Seven Kingdoms.
In the books
Jon Karstark is referenced only in the TV adaptation of A Song of Ice and Fire and has no corresponding counterpart in the books.
|Lord:||None, extinct||Heir:||None, extinct|
|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 · Harald Karstark · Alys Karstark|
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