The Blood of Dragons specific information for this house is under construction. However, if you scroll down, you will find the family tree for this house.
{Ser Tancred} (b. 142), heir to Storm's End, once betrothed to Lady Valeria Blackmont, found murdered in King's Landing (d. 163), m. Obany Darklyn (b. 139),
Ser Arion (b. 144), heir to Storm's End, a new-made knight,