The family was elevated to the ducal title four times (1581, 1611, 1621, 1622) and to the rank of Peer of France as early as 1581.
The family is originally from Lavalette (Haute-Garonne) in the Languedoc region of France.
[1] Its first known member was Jacques Nogaret, seigneur of La Valette (capital of Toulouse in 1366, 1377, and 1385) was recognized as a nobleman by letters of Charles V dated 1372.
From then on, the family held a number of high offices, and was elevated to the title of ducal in 1581.
parti : au 1, contre-écartelé : a. et d. d'azur à la fasce d'or, acc.