About the Cinq-Mars surname
The surname Cinq-Mars is associated with a patronymic formation. Cinq-Mars 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 surname may originally have expressed descent before becoming fixed as a hereditary family name. Cinq-Mars 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. In the normalization used for some LAFRANCE searches, the surname is also matched through the form “cinqmars”; this search variant can be useful when accents, spaces, or punctuation differ.
Pronunciation:
Sink-mars/sɛ̃kmaʁs/