Sadyrnfyw, also known as Sadwrnfen the Generous, was a medieval Welsh bishop who served at Meneva, which is known today as St. David's. Born around 750, he held his ecclesiastical position during the 8th and 9th centuries. Historical records regarding his passing vary slightly, with the Chronicle of the Princes suggesting he died in 830, while other reconstructions of the Annals of Wales place his death in approximately 831. He is recognized as a saint within certain Christian traditions.
Life and death
As a leader of the church in Meneva, Sadyrnfyw lived during a period of early medieval Welsh history. His life is documented through various historical chronicles, though specific dates for his tenure are not precisely fixed. The most common historical estimates suggest he lived from roughly 750 until his death in the early 830s.
Veneration
Sadyrnfyw is remembered as a saint. His reputation for generosity earned him the epithet Sadwrnfen the Generous, reflecting his character during his time as a bishop in Wales.