About the Treau De Coeli surname
The surname Treau De Coeli is associated with a patronymic formation. Treau De Coeli is a compound surname. Its form combines several family-name elements; depending on the line, this may reflect a dit name, the joining of two surnames, or a more recent civil-status development. A patronymic formation of this kind shows how an older personal name could develop into a family name. Different families could independently adopt a surname formed from the same given name.
Pronunciation:
Tro-de-koe-li/tʁodə-koəli/