Henry I was the king of Castile from 1214 until 1217. Throughout his short reign, the boy king was a puppet monarch torn between his sister and heir, Queen Berengaria, and guardian, Count Álvaro Núñez
Seal of Queen Berengaria, Henry's eldest sister and heir. She ruled in his name after the death of their mother.
Álvaro Núñez de Lara was a Castilian nobleman who played a key role, along with other members of the House of Lara, in the political and military affairs of the Kingdoms of León and Castile around the
The Monastery of Uclés, resting place of Count Álvaro Núñez de Lara