Which powerful House beginning with the letters “Ma,” located in a latiudinally remote region of the Seven Kingdoms and led by an old and infirm lord, pretended to be a loyal ally of the Iron Throne — going so far as to imprison its enemies, over the objections of outspoken young female members of the House — all the while secretly plotting to restore a fallen rival monarchy in order to avenge family members slain by agents of the Lannisters?
A) House Martell
B) House Manderly
C) Both A and B