About the Rognon-Laroche surname
The surname Rognon-Laroche is associated with a patronymic formation. Rognon-Laroche 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. The name therefore belongs to a tradition in which an ancestor's given name gradually became a hereditary surname. Rognon-Laroche is a compound or hyphenated surname. For a particular family line, early records can show whether this form was long established or resulted from the joining of two surnames later in the family's history.
Pronunciation:
Ro-gnon-la-roch/ʁɔɲɔ̃laʁɔʃ/