Mahidol Adulyadej Chakri

Buddha Yodfa Chulaloke, known as Rama I, founded the Chakri dynasty in 1782 after the fall of the Thonburi kingdom and established Bangkok as the new capital of Siam on the east bank of the Chao Phraya River. Born in Ayutthaya in 1737, he rose through military ranks under King Taksin before taking the throne himself. As king, he rebuilt Siamese administration, law, and religion after decades of war with Burma, commissioning a revised legal code and restoring Buddhist temples and texts. His son with chief consort Amarindra, Isarasundhorn, succeeded him as Rama II. He reigned until his death in 1809 and remains the dynasty's namesake, its royal house named for his pre-royal title, Chao Phraya Chakri.

Buddha Loetla Nabhalai, known as Rama II, ruled Siam from 1809 to 1824 as the second monarch of the Chakri dynasty. Born in 1767, the son of Rama I and Queen Amarindra, he is remembered chiefly as a poet-king who revived Siamese literature and classical arts after the disruptions of the eighteenth century, personally composing verse and sponsoring the royal poets of his court. He fathered two sons who would each later reign as king: Prince Jessadabodindra, by consort Sri Sulalai, who became Rama III, and Prince Mongkut, by principal queen Sri Suriyendra, who became Rama IV. He died in Bangkok in 1824.

Phra Nangklao, known as Rama III, reigned as King of Siam from 1824 to 1851, succeeding his father Rama II ahead of his more senior half-brother, the future Rama IV. Born in 1788, he expanded Siam's trade with China and, later in his reign, with Western powers, while overseeing military campaigns that secured Siamese influence over Laos and Cambodia. A devout patron of Buddhism, he sponsored the restoration and construction of numerous temples, including Wat Pho and Wat Arun in Bangkok. He never married a principal queen and left no heir positioned to succeed him, so on his death in 1851 the throne passed to his half-brother Mongkut, who became Rama IV.

Queen Amarindra (born Nak) was the chief consort of King Rama I and the first queen consort of the Chakri dynasty. Born around 1737 in Samut Songkhram, she married the future king before his rise to the throne and supported him through the turbulent years following the fall of Ayutthaya and the Thonburi period. As queen, she was known for her piety and patronage of Buddhist temples in the new capital of Bangkok. Her son Isarasundhorn succeeded his father as Rama II. She lived to see her son and grandson (Rama III) both reign, dying in 1826 at an advanced age, one of the longest-lived consorts of the early dynasty.

Somdet Phra Sri Suriyendra (born Boonrod) was the principal queen consort of King Rama II and mother of Prince Mongkut, who later reigned as Rama IV. Born in 1767, she was a cousin of her husband and held the highest rank among his consorts, giving her son a strong claim to the succession that was nonetheless passed over in 1824 in favor of his older half-brother, Rama III. She lived to see Mongkut spend nearly three decades as a Buddhist monk before finally ascending the throne in 1851, though she died in 1836, some years before his accession.

Somdet Phra Sri Sulalai (born Riam) was a royal consort of King Rama II and mother of his eldest surviving son, Prince Jessadabodindra, who reigned as Rama III. Born around 1770 near Nonthaburi, she came from a family involved in the court's confectionery service rather than high nobility, and never held the rank of queen. Her son's accession in 1824, chosen by the Accession Council over more senior-born half-brothers including the future Rama IV, made her one of the most consequential royal mothers of the early Bangkok era. She was posthumously honored with the title Somdet Phra Sri Sulalai. She died in 1837.

Queen Sirikit is the widow of King Bhumibol Adulyadej (Rama IX) and mother of King Vajiralongkorn (Rama X). Born Mom Rajawongse Sirikit Kitiyakara in Bangkok in 1932 to an aristocratic diplomatic family, she met the young king while he was studying in Switzerland and married him in 1950, becoming queen consort the same year. During his reign she championed rural handicrafts, traditional Thai silk weaving, and conservation projects across the country through the SUPPORT Foundation she established. She and Bhumibol had four children: Ubolratana, Vajiralongkorn, Sirindhorn, and Chulabhorn. She holds the title Queen Mother.

Queen Rambhai Barni was the wife of King Rama VII (Prajadhipok), the last absolute monarch of Siam. Born a granddaughter of Rama IV in 1904, she married the future king in 1918 and became queen consort upon his accession in 1925. She accompanied him through the political upheaval of the 1932 revolution and his 1935 abdication, living with him in exile in England until his death in 1941. She had no children and returned permanently to Thailand after the Second World War, devoting her later years to charitable and educational causes until her death in 1984.

Queen Suthida is the wife of King Vajiralongkorn (Rama X) of Thailand. Born Suthida Tidjai in Nakhon Ratchasima in 1978, she trained as a flight attendant for Thai Airways before joining the Royal Thai Army and rising through the ranks of the Royal Security Command, eventually becoming its deputy commander with the rank of general. She married Vajiralongkorn in May 2019, days before his formal coronation, and was crowned queen consort at that time. She has since taken on an increasingly visible public and ceremonial role alongside the king at state and royal functions.