The "House of Sabran" is a noble family in the fantasy novel "The Priory of the Orange Tree" by Samantha Shannon. They are known for their long lineage and the duty of protecting the realm of Inys from the threat of dragons. The family is characterized by its strong women, with each queen expected to bear a daughter to continue the line. The current head of the House of Sabran is Queen Sabran, who faces immense pressure to produce an heir. The family's history is intertwined with the ancient dragon lore, and their legacy is crucial for maintaining peace in the kingdom.