House Hightower of the Reach is at the forefront of the civil war between Queen Rhaenyra Targaryen and her half-brother, Aegon II. The Hightowers of Oldtown field swords for the Targaryen-Hightower king, Aegon II. As it happens, Alicent Hightower is the Dowager Queen, the daughter of Aegon II's Hand, and the niece of Lord Hobert Hightower of Oldtown.