From A Wiki of Ice and Fire
North Star was the galley of Ser Medrick Manderly.
After the Dance of the Dragons, Ser Medrick Manderly returned to White Harbor from King's Landing via North Star in 131 AC. The knight transported northward those men who had chosen to take the black after being sentenced to death by Lord Cregan Stark.
- ↑ Fire & Blood, Under the Regents - The Hooded Hand.