Mayordomo mayor del Rey

The Mayordomo mayor del Rey was :

• Head of the Royal Household, not only honorarily but also effectively.^[2]
• In charge of court ceremonies and palace etiquette.
• Administrator of the royal patrimony^[1], although this function gradually lost importance over the centuries in favor of other minor court officials.

The requirements for holding the office of Mayordomo mayor del Rey and its functions are listed in Part II, Title IX, Law XVII of the Siete Partidas:^{[3] [4]}

• Be of good lineage, as this, according to the mentality of the time, would encourage one to do good.
• Be knowledgeable about the King's revenues and rights in order to manage and increase those revenues.
• Be able to keep the accounts of the Royal Household in order to report to the King on the state of the accounts.
• Be loyal to the King in order to gain the friendship of his subjects, since everything concerning the Royal Household fell under his jurisdiction.

• Vela Gutiérrez (1156-1157) ^[5]
• Count Ponce Giraldo de Cabrera (1157)
• Abril (1158-1159)
• Pedro Arlote (1159)
• Count Ponce Giraldo de Cabrera (1159-1162), second term
• Pedro Balzán (1162).
• Fernando Rodríguez de Castro, House of Castro (1162-1164)
• Count Gómez González de Manzanedo (1164-1165)
• Fernando Rodríguez de Castro, House of Castro (1165-1166), second term
• Pedro Arias de Limia (1166-1167)
• Count Ponce de Minerva (1167)
• Ermengol VII, Count of Urgel (1167-1173)
• Álvaro Rodríguez de Castro, son of Rodrigo Fernández de Castro (1173-1174)
• Ermengol VII, Count of Urgel (1175), second term
• Gonzalo Osorio, Lord of Villalobos, son of Count Osorio Martínez and Countess Teresa Fernández.
• Ermengol VII, Count of Urgel (1179-1184), third term
• Pedro Rodríguez de Castro, son of Rodrigo Fernández de Castro (1184)
• Rodrigo López de Haro, son of Lope Díaz I de Haro, Lord of Vizcaya (1184-1185)
• Count Pedro Manrique de Lara, Viscount of Narbonne and Lord of Molina (1185)
• Rodrigo López de Haro (1185), second term
• Vermudo Álvarez, son of Count Álvaro Rodríguez de Sarria and Countess Sancha Fernández de Traba.
• Munio Fernández de Rodeiro (1188)
• Pedro Vélaz (1188), son of Count Vela Gutiérrez, and Archdeacon of the Santiago de Compostela Cathedral and Abbot of the Monastery of Santa María de Oseira.
• Pedro García de Aza, Tenant-in-chief of Lerma, grandson of Count García Ordóñez(1188)
• Count Fernando Ponce (1189), son of Ponce de Minerva
• García Rodríguez de Sanabria (1190-1191)
• Pedro Fernández de Castro el Castellano, House of Castro (1191)
• Juan Fernández de Limia, son of Fernando Arias and Teresa Bermúdez de Traba (1192-1193)
• Count Gómez González de Traba (1193), son of Count Gonzalo Fernández de Traba and grandson of Fernando Pérez de Traba.
• Pedro Fernández de Castro el Castellano (1194), second term
• Juan Fernández de Limia (1194), second term
• Fernando García de Villamayor (1194-1195)
• Pedro Fernández de Castro el Castellano, House of Castro (1195-1196), third term
• García Pérez de Braganza (1196)
• Pedro Fernández de Castro el Castellano, House of Castro (1196-1197), fourth term
• Pelayo Muñoz (1197)
• Fernando García de Villamayor (1197-1203), second term
• Gonzalo Rodríguez Girón (1203)
• Juan Fernández de Limia (1204), third term
• Pedro Fernández de Castro el Castellano, House of Castro (1204), fifth term
• Lorenzo Suárez de Valladares (1205)
• Rodrigo Ordóñez, merino mayor of León (1210-1211)
• Álvaro Gutiérrez de Castro, third son of Gutierre Rodríguez de Castro (1211-1213)
• Pedro Gutiérrez de Castro, fourth son of Gutierre Rodríguez de Castro (1213)
• Pedro, Master of the Knights Templar (1214)
• Álvaro Núñez de Lara, son of Count Nuño Pérez de Lara (1217-1218)
• Lorenzo Suárez de Valladares (1219)
• Fernando Fernández de Braganza (1219-1222), son of Fernando Ponce de Cabrera el Menor
• Álvaro Pérez de Castro el Castellano, señor de la Casa de Castro (1223)
• Peter I of Urgell, son of King Sancho I of Portugal (1223-1230)

• Martín Muñoz (1149-1152) ^[6]
• Gutierre Fernández de Castro (1153-1155)
• Fernando Pérez Hurtado, illegitimate son of Queen Urraca I and Count Pedro González de Lara (1155-1156)
• Count Gómez González de Manzanedo (1157-1158)
• Pedro García de Lerma (1161-1172)
• Count Ponce de Minerva (1172-1173)
• Count Gómez González de Manzanedo (1173), second term
• Rodrigo Gutiérrez Girón (1173-1193)
• Pedro Rodríguez de Guzmán (1194-1195), son of Rodrigo Muñoz de Guzmán and Mayor Díaz.
• Pedro García de Lerma (1195-1198), second term
• Gonzalo Rodríguez Girón (1198-1216)
• Martín Muñoz de Hinojosa (1217)
• Gonzalo Rodríguez Girón (1217-1231), second term
• García Fernández de Villamayor (1232-1238)
• Rodrigo González Girón, son of Gonzalo Rodríguez Girón (1238-1252)
• Juan García de Villamayor, son of García Fernández de Villamayor (1252-1260)
• Fernando de la Cerda, infante de Castilla and son of Alfonso X el Sabio (1260)
• Alfonso García de Villamayor, son of García Fernández de Villamayor (1262)
• Fernando de la Cerda (1270-1272), second term
• Gil García de Azagra (1272)
• Fernando de la Cerda (1274), third term
• Sancho of Castile, infante de Castilla and son of Alfonso X el Sabio (c. 1276-1277)
• Manuel of Castile, infante de Castilla and son of Ferdinand III of Castile (1278-1282)
• Alfonso Fernández, son of infante Philip of Castile and grandson of Ferdinand III of Castile (1283)
• Fernán Pérez Ponce de León, Adelantado mayor of Andalusia and grandson of King Alfonso IX of León (1284)
• Juan de Castilla el de Tarifa, infante de Castilla and son of Alfonso X el Sabio (1284-1285)
• Pedro Álvarez de las Asturias, Lord of Noreña (1285-1286)
• Lope Díaz III de Haro, Lord of Biscay (1286-1288)
• Juan Fernández Cabellos de Oro, Adelantado mayor of Andalusia and grandson of King Alfonso IX de León (1288-1292)
• Ruy Pérez Ponce de León, Master of the Order of Calatrava and grandson of King Alfonso IX de León (1293-1295)
• Pedro Ponce de León, Adelantado mayor of Andalusia and great-grandson of King Alfonso IX de León (1295)
• Rodrigo Rodríguez Carrillo (1296)
• Don Juan Manuel, Lord of Villena (1297)
• Juan Osórez, Master of the Order of Santiago (1298-1302)
• Juan Núñez II de Lara, Lord of the House of Lara (1302)
• Henry of Castile the Senator, infante de Castilla and son of Fernando III el Santo (1302)
• Pedro Ponce de León (1302-1305), second term
• Juan Núñez II de Lara (1307), second term
• Diego López V de Haro, Lord of Biscay and great-grandson of King Alfonso IX of León (1307-1309)
• Juan Núñez II de Lara (1308), third term
• Pedro de Castilla, infante de Castilla and son of Sancho IV el Bravo (1310-1311)
• Don Juan Manuel, grandson of Fernando III el Santo (1311-1314)
• Juan Núñez II de Lara (1315), fourth term
• Alfonso de Valencia, Pertiguero mayor of Santiago and grandson of Alfonso X el Sabio (1315-1316)
• Don Juan Manuel (1318-1319), second term
• Fernando de la Cerda, grandson of Alfonso X el Sabio (1320)
• Felipe de Castilla, infante de Castilla and son of Sancho IV el Bravo (1325-1327)
• Álvar Núñez Osorio, Count of Trastámara, Lemos and Sarria (1328)
• Fernando Rodríguez de Valbuena, prior of the Knights Hospitaller (1328-1332)
• Pedro Fernández de Castro, grandson of Sancho IV de Castilla (1332-1342)
• Juan Núñez III de Lara, señor de Lara and great-grandson of Alfonso X el Sabio (1345-1350)
• Nuño Díaz de Haro, señor de Lara y Vizcaya and great-great-grandson of Alfonso X el Sabio (1351)
• Fernán Ruiz de Castro, great-grandson of Sancho IV el Bravo (1351-1355)
• Juan Fernández de Hinestrosa (1355)
• Diego García de Padilla, Master of the Order of Calatrava (1357-1363)
• Martín López de Córdoba, Master of the Order of Alcántara (1365-1368)
• Alvar García de Albornoz, Lord of Albornoz (1369-1374)
• Juan Martínez de Luna III, Lord of Gotor and Illueca (c. 1374)
• Pedro González de Mendoza, Lord of Hita and Buitrago (1379-1385)
• Diego Hurtado de Mendoza, Admiral of Castile, Lord of Hita and Buitrago (1385-1389)
• Juan Hurtado de Mendoza el Limpio, Lord of Almazán, Morón and Gormaz (1391-1419)
• Juan Hurtado de Mendoza y Castilla, son of the previous, Lord of Morón and Gormaz (1419-1426)
• Ruy Díaz de Mendoza, son of the previous, Count of Castrojeriz and Lord of Morón (1426-1454)
• Juan Pacheco, Marquess of Villena and Grand Master of the Order of Santiago (1454-1472)
• Diego López Pacheco y Portocarrero, marqués de Villena and Grand Master of the Order of Santiago (1472-1480)
• Juan Chacón de Alvarnéz, Lord of Albox, Alborea, Oria, María, Benitagla and Albanchez (1480-1503)