Prince of Conti

The title of Prince of Conti was an old title at the old French court. The prince held the prestigious rank of "Prince of the blood" at the court and was also entitled to the style of Serene Highness. The eldest son of the prince usually used the title of "Prince of La Roche-sur-Yon" and at other times used the title "Count of La Marche"
Marquess and Princes of Conti.
"At his death, the title was not passed on, because of the lack of direct descendants. The title was bestowed in 1629 upon:"
"At his death, the title was not passed on, because of the lack of legitimate descendants."