Peter I was the second son of King Sancho I of Portugal and his wife Dulce, infanta of Aragon, and would eventually become Count of Urgell and Lord of the Balearic Islands. Most of what is known about him comes from the Tratado da Vida e Martírio dos Cinco Mártires de Marrocos.
- Occupation
- politician, military personnel, consort
- Citizenship
- Kingdom of Portugal
- Born
- February 23, 1187
- Died
- June 2, 1258