David of Wales
Hierarch
Commemorated March 1
Our father among the saints David of Wales (ca. 512-587), known in Welsh as Dewi Sant , was a 6th century bishop and monastic founder in Wales and is its patron saint . He is also known as the Dewi Ddyfrwr ( David the Water Drinker ) due to his drinking only water and the founding of many holy wells associated with his life. His feast day in the Church is March 1 .
Source: OrthodoxWiki