Phaya Sai Songkhram

Phaya Sai Songkhram (พญาไสสงคราม) (also called Pu Saisongkhram) was a ruler of the historical Thai Kingdom of Sukhothai. He became regent in 1298 upon sickness and death of his father, Ram Khamhaeng the Great, until his brother, Loe Thai ascended the throne upon his return from China.