>>5796288House goldsand though that is more the common name other call them by, new blood from Lys who seized the empty castle in the dawning of the great winter after the host of House Tyrell fled the castle though they didn't really occupy it until the King's Folly in the spring, by then some conflict had exiled the family from their original home city of Lys and their surviving kin occupied the castle proper.
It took several generations of pirate kings but they appear to have finally acclimatised to Westerosi customs, Dragonstone is not a rich place though and they are one of the bay's more corsair like houses, trading and raiding the seas in equal measure. Supposedly have contacts across the narrow sea which is how they were alerted to the Prince's invasion.
>>5796289Funnily enough Davos seaworth is a man of legend, the hand who nearly did the impossible for his king during a time of chaos and great upheaveal he is remembered fondly in the north for returning the wild wolf to winterfell and any Seaworth who travelled north would find friendy faces and warm food wherever they went.
House Seaworth is probably still around but not very important.
I like to think he made it home to his wife 