London, July 30 - French President Nicolas Sarkozy and his model-turned-singer wife Carla Bruni will soon become grandparents.

The politician's son Jean and his wife Jessica Sebaoun, who married in September 2008 are expecting their first child at the end of the year and their father and mother-in-law -- Sarkozy and Bruni -- are celebrating the news of the new family member on the way, reports contactmusic.com.

The announcement was made Thursday while Sarkozy and Bruni, who married in November 2007, were on holiday near St. Tropez, southern France.

Jean is Sarkozy's son with his first wife Marie-Dominique Culioli.