Wichaichan [SEP] date of birth
Wichaichan
Krom Phra Ratchawang Bowon Wichaichan () or Phra Ong Chao Yodyingyot (or Yingyot) (พระองค์เจ้ายอดยิ่งยศ) (6 April 1838 – 28 August 1885) was a Siamese Prince and member of the Chakri Dynasty. He was the eldest son of Vice King Pinklao and Princess Aim, and thus nephew to King Mongkut (Rama IV). Wichaichan succeeded his father by being appointed the Front Palace and "Vice King of Siam" in 1868, during the reign of his cousin King Chulalongkorn (Rama V). During his
his uncle Carol I of Romania until he renounced his rights in favor of his younger brother Ferdinand.
- Wichaichan was heir presumptive to his cousin Chulalongkorn until his death in 1885.
- Mercedes, Princess of Asturias, daughter of Alfonso XII of Spain, was the heir presumptive at her birth. After her father died, her posthumously born brother Alfonso became king as Alfonso XIII of Spain and she remained the heir presumptive until her death in 1905.
- Isabel, Princess Imperial of Brazil, was the heir presumptive