The lordship of Piedmont, later the principality of Piedmont ( it, Piemonte), was originally an

appanage An appanage, or apanage (; french: apanage ), is the grant of an estate, title, office or other thing of value to a younger child of a sovereign, who would otherwise have no inheritance under the system of primogeniture. It was common in much o ...

of the Savoyard county and as such its lords were members of the Achaea branch of the

House of Savoy The House of Savoy ( it, Casa Savoia) was a royal dynasty that was established in 1003 in the historical Savoy region. Through gradual expansion, the family grew in power from ruling a small Alpine county north-west of Italy to absolute rule of ...

. The title was inherited by the elder branch of the dynasty in 1418, at about which time Savoy was elevated to ducal status and Piedmont to princely status. When the House of Savoy was given the

Kingdom of Sardinia The Kingdom of Sardinia,The name of the state was originally Latin: , or when the kingdom was still considered to include Corsica. In Italian it is , in French , in Sardinian , and in Piedmontese . also referred to as the Kingdom of Savoy-S ...

, the Savoyards used the style of Prince of Piedmont ( it, Principe di Piemonte) for their

heir apparent An heir apparent, often shortened to heir, is a person who is first in an order of succession and cannot be displaced from inheriting by the birth of another person; a person who is first in the order of succession but can be displaced by the b ...

. This first came into use by Prince Victor Amadeus of Savoy. The usage was retained when

Victor Emmanuel II Victor Emmanuel II ( it, Vittorio Emanuele II; full name: ''Vittorio Emanuele Maria Alberto Eugenio Ferdinando Tommaso di Savoia''; 14 March 1820 – 9 January 1878) was King of Sardinia from 1849 until 17 March 1861, when he assumed the title o ...

became

King of Italy King of Italy ( it, links=no, Re d'Italia; la, links=no, Rex Italiae) was the title given to the ruler of the Kingdom of Italy after the fall of the Western Roman Empire. The first to take the title was Odoacer, a barbarian military leader, ...

, "Prince of Piedmont" becoming roughly equivalent to the British "

Prince of Wales Prince of Wales ( cy, Tywysog Cymru, ; la, Princeps Cambriae/Walliae) is a title traditionally given to the heir apparent to the English and later British throne. Prior to the conquest by Edward I in the 13th century, it was used by the rulers ...

", the title bestowed to the

Crown prince A crown prince or hereditary prince is the heir apparent to the throne in a royal or imperial monarchy. The female form of the title is crown princess, which may refer either to an heiress apparent or, especially in earlier times, to the wif ...

Lords of Piedmont

*????–1233

Thomas I Thomas I may refer to: * Thomas I of Constantinople, Patriarch from 607 to 610 * Thomas I of Jerusalem, Patriarch until 821 * Thomas I of York (died in 1100) * Thomas I, Count of Savoy (1178–1233) * Thomas I d'Autremencourt (died ca. 1212), Lor ...

, also

Count of Savoy The titles of count, then of duke of Savoy are titles of nobility attached to the historical territory of Savoy. Since its creation, in the 11th century, the county was held by the House of Savoy. The County of Savoy was elevated to a duchy at ...

*1233–1259 Thomas II, son of previous *1259–1282 Thomas III, son of previous *1282–1334

Philip I Philip(p) I may refer to: * Philip I of Macedon (7th century BC) * Philip I Philadelphus (between 124 and 109 BC–83 or 75 BC) * Philip the Arab (c. 204–249), Roman Emperor * Philip I of France (1052–1108) * Philip I (archbishop of Cologne) (1 ...

, son of previous, also

Prince of Achaea The Prince of Achaea was the ruler of the Principality of Achaea, one of the crusader states founded in Greece in the aftermath of the Fourth Crusade (1202–1204). Though more or less autonomous, the principality was never a fully independent s ...

(1301–1307) *1334–1367

James James is a common English language surname and given name: *James (name), the typically masculine first name James * James (surname), various people with the last name James James or James City may also refer to: People * King James (disambiguat ...

, son of previous, claimant to Achaea *1368–1368

Philip II Philip II may refer to: * Philip II of Macedon (382–336 BC) * Philip II (emperor) (238–249), Roman emperor * Philip II, Prince of Taranto (1329–1374) * Philip II, Duke of Burgundy (1342–1404) * Philip II, Duke of Savoy (1438-1497) * Philip ...

, son of previous *1368–1402

Amadeus Amadeus may refer to: *Wolfgang Amadeus Mozart (1756–1791), prolific and influential composer of classical music *Amadeus (name), a given name and people with the name * ''Amadeus'' (play), 1979 stage play by Peter Shaffer * ''Amadeus'' (film), ...

, brother of previous, claimant to Achaea *1402–1418

Louis Louis may refer to: * Louis (coin) * Louis (given name), origin and several individuals with this name * Louis (surname) * Louis (singer), Serbian singer * HMS ''Louis'', two ships of the Royal Navy See also Derived or associated terms * Lewis ( ...

, brother of previous

Princes of Piedmont

:''Note: The names in bold denote those that succeeded to the throne''.

Princes of Piedmont and Naples

When the House of Savoy became the ruling dynasty of Italy in 1861, they continued to use the title of Prince of Piedmont for the heir apparent but also began alternating it with a new title, the Prince of Naples.

Insignia

File:Royal Standard of the Crown Prince of Italy (1880-1946).svg, Royal Standard of the Prince of Piedmont File:CoA of the prince of Piedmont.svg, Coat of arms of the
Prince of Piedmont {{Italian royal titles Piedmont, Lord of Piedmont, Lord of Counts of Piedmont Princes of Piedmont

Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...

House of Savoy