Princess Antoinette, Baroness of Massy

Princess Antoinette, Baroness of Massy (Antoinette Louise Alberte Suzanne Grimaldi; 28 December 1920 – 18 March 2011) was a member of the princely family of Monaco. She was the elder sister of Prince Rainier III. Her parents were Princess Charlotte, Duchess of Valentinois and Count Pierre de Polignac. After plotting to depose her brother, she was effectively exiled from the royal family.

She was born in Paris, of French and Monegasque ancestry.

Early life Princess Antoinette was born on 28 December 1920 in Paris, during the reign of her great-grandfather Prince Albert I, Prince of Monaco. She was the elder child and only daughter of Princess Charlotte of Monaco and her husband Count Pierre de Polignac. Her mother was the only child of Prince Louis, Hereditary Prince of Monaco.

She was named Antoinette Louise Alberte Suzanne, after her maternal great-great-grandmother Princess Antoinette; her maternal grandfather, Prince Louis; her maternal great-grandfather, Prince Albert I; and her paternal grandmother, Countess Susana de Polignac. She was third in the line of succession at the time of her birth, preceded by her grandfather and mother, and then second in the line after the ascension of Prince Louis II, though later moved down the line after the birth of her younger brother, Prince Rainier in 1923.

Children Princess Antoinette had a long-term liaison with Alexandre-Athenase Noghès, a Monegasque-born attorney and international tennis champion, in the mid-1940s. The couple had three children born out-of-wedlock who were legitimated by their parents' subsequent marriage (on December 4, 1951) and, henceforth, included in the line of succession to the Monegasque throne until the death of Antoinette's brother, Prince Rainier III, in 2005; Elizabeth-Ann de Massy (1947–2020), Christian Louis de Massy (born 1949), and Christine Alix de Massy (1951–1989). Furthermore, there was no hereditary devolution of the title of « Baroness de Massy » but the children of Princess Antoinette, by Sovereign Ordinance of November 15, 1951, bear however the patronymic name of « de Massy ».

Marriages Princess Antoinette and Alexandre-Athenase Noghès subsequently married at the Monaco consulate in Genoa on 4 December 1951 (her first, his second) and divorced in 1954.On 15 November 1951, Antoinette was created Baroness of Massy (Baronne de Massy). Her children (Elizabeth-Ann, Christian Louis and Christine Alix) were named Grimaldi at birth. They subsequently had their names changed to de Massy. Christian Louis claimed the title of Baron through his mother. His use of the title of Baron of Massy (Baron de Massy) was subsequently approved by Prince Albert II, but only on a non-hereditary basis. by her servants. Having been banished from Monaco in the late 1950s, she lived down the coast from Monaco at Èze, with a large collection of dogs and cats. She was the president of Monaco's Society for the Protection of Animals and Refuge

Death On 18 March 2011 Princess Antoinette died at The Princess Grace Hospital Centre, aged 90. Vice-President of the Monegasque Red Cross. Patron of The Puppy and Kitten Clinic

Honours Knight Grand Cross of the Order of Saint-Charles (28 December 1938) Medal for Physical Education and Sports, First Class Medal of Recognition of the Monegasque Red Cross