Middle Names

[CyrilSebastian]

How often does a Princess/Queen have Regina as a middle name?   
Archduchess Maria Anna Josepha Antonia Regina of Austria became Queen of Portugal. She was the wife of King John V of Portugal.

[kinan]

We know that some "commoner" women married into royalty have middle names too.

We have
Catherine Elizabeth Middleton;
Mary Elizabeth Donaldson;
Marie Agathe Odile Cavallier;
Alexandra Christina Manley;
Sofia Kristina Hellqvist:
Mathilde Marie Christine Ghislaine d'Udekem d'Acoz;
Stephanie Marie Claudine Christine de Lannoy;

What about
Letizia Ortiz Rocasolano, Maxima Zorreguieta Cerruti and Mette-Marit Tjessem Høiby ?
Do they have middle names?
I know that Catholics tend to have more middle names and Letizia and Maxima are from Catholic families.

[CyrilSebastian]

Anne of Austria, Queen of France, was the wife of King Louis XIV of France. Originally she was Anna Maria Mauricia.

[CyrilSebastian]

Which Royal lady had Gasparine as a middle name? Princess Eleonore Caroline Gasparine Louise Reuss-Kostritz was Tsaritsa of Bulgaria and the second wife of Ferdinand I of Bulgaria

[CyrilSebastian]

How often does a Royal have Norberto as a middle name? King Joseph I of Portugal is Joseph Francisco Antonio Inacio Norberto Apostinho.

[CyrilSebastian]

When does a Royal have the name of Nepomuk?   
King George of Saxony (1832-1904) was Friedrich August Georg Ludwig Wilhelm Maximilian Karl Maria Nepomuk Baptist Xaver Cyriacus Romanus.

[CyrilSebastian]

How often does a Prince/King have Placido as a middle name?     
Prince Giuseppe, Count of Asti (1766-1802) was a prince of Savoy. He was Giuseppe Benedetto Maria Placido.

[esther angeline]

Both Felipe VI and heir apparent Leonor have de Todos los Santos ( of all the saints) in their names

[CyrilSebastian]

How often does a lady have Felicitas as a middle name?     
Duchess Charlotte Felicitas of Brunswick-Luneburg (1671-1710) was Duchess of Modena. Her spouse was Rinaldo d'Este, Duke of Modena.

[CyrilSebastian]

How often is a Royal lady named Benedita?   
Infanta Maria Francisca Benedita of Braganza (1746-1829) was the daughter of King Joseph I of Portugal.     
She was named after Pope Benedict XIV.

[CyrilSebastian]

How often does a Princess/Queen have Aloysia as a middle name?   
Maria Josepha Amelia Beatrix Xaveria Vincentia Aloysia of Saxony (1803-1829) was Queen of Spain as the third wife of King Ferdinand VII of Spain.

[CyrilSebastian]

Felipe Frolian de Marichalar, the nephew of King Felipe VI of Sweden, has an interesting middle name of Frolian. Is Frolian after a specific relative?