From A Wiki of Ice and Fire
|Title||Lady of Winterfell|
|Culture||Northern mountain clans|
|Died||In 128 AC|
|Spouse||Lord Cregan Stark|
The World of Ice & Fire (appendix)|
Fire & Blood (mentioned)
Arra was a childhood friend of Cregan Stark. She later married him shortly after he overthrew his regent uncle, Bennard Stark, and took control of the north in 126 AC. In 128 AC Arra died while giving birth to a son, Rickon Stark.