The known history of the

monarchy of Thailand The monarchy of Thailand is the constitutional monarchy, constitutional form of government of Thailand (formerly ''Siam''). The king of Thailand (, historically, ''king of Siam''; ) is the head of state and head of the ruling Chakri dynasty. ...

begins with the founding of the

Sukhothai Kingdom The Sukhothai Kingdom was a post-classical Siamese kingdom (Mandala (political model), ''maṇḍala'') in Mainland Southeast Asia surrounding the ancient capital city of Sukhothai Historical Park, Sukhothai in present-day north-central Thaila ...

, inaugurated by Si Inthrathit in 1238. This was succeeded by the

Ayutthaya Kingdom The Ayutthaya Kingdom or the Empire of Ayutthaya was a Thai people, Thai kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Phra Nakhon Si Ayutthaya (city), Ayutthaya, in Siam, or present-day Thailand. Europe ...

and the short-lived Thonburi Kingdom. The present reigning

dynasty A dynasty is a sequence of rulers from the same family, usually in the context of a monarchy, monarchical system, but sometimes also appearing in republics. A dynasty may also be referred to as a "house", "family" or "clan", among others. H ...

, the

Chakri Dynasty The Chakri dynasty is the current reigning dynasty of the Thailand, Kingdom of Thailand. The head of the house is the Monarchy of Thailand, king, who is head of state. The family has ruled Thailand since the founding of the Rattanakosin era and ...

, took the throne in 1782, founding the Rattanakosin Kingdom. The present-day

constitutional monarchy Constitutional monarchy, also known as limited monarchy, parliamentary monarchy or democratic monarchy, is a form of monarchy in which the monarch exercises their authority in accordance with a constitution and is not alone in making decisions. ...

was established in 1932. The Chakri kings are often known as

Rama Rama (; , , ) is a major deity in Hinduism. He is worshipped as the seventh and one of the most popular avatars of Vishnu. In Rama-centric Hindu traditions, he is considered the Supreme Being. Also considered as the ideal man (''maryāda' ...

: the reigning monarch is King Rama X (Vajiralongkorn).

Family tree

– Phra Ruang dynasty (1238–1368, 1368–1438)

– Uthong dynasty (1351–1370, 1388–1409) – Suphannaphum dynasty (1370–1388, 1409–1569) – Sukhothai dynasty (1569–1629) – Prasat Thong dynasty (1629–1688) – Ban Phlu Luang dynasty (1688–1767) Thonburi Kingdom – Thonburi dynasty (1767–1782) Rattanakosin Kingdom and

Kingdom of Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

(1782–present) –

Chakri dynasty The Chakri dynasty is the current reigning dynasty of the Thailand, Kingdom of Thailand. The head of the house is the Monarchy of Thailand, king, who is head of state. The family has ruled Thailand since the founding of the Rattanakosin era and ...

(1782–present)

References

* * * * {{Aristocratic family trees, state=expanded Thai monarchs

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...