******* son Francesco I de ' Medici, Grand Duke of Tuscany married Archduchess Joanna of Austria ( 1547 – 1578 )

* September 18 – Maria of Austria, daughter of Philip I of Castile and Joanna of Castile ( d. 1558 )

* Eleanor of Austria ( 1498 – 1558 ), wife of Manuel I of Portugal and Francis I of France, daughter of Joanna of Castile and Philip the Handsome of Austria-Burgundy

Born in Florence, Italy at the Palazzo Pitti on 26 April 1575, Marie was the sixth daughter of Francesco I de ' Medici, Grand Duke of Tuscany, and Joanna, Archduchess of Austria, daughter of Ferdinand I, Holy Roman Emperor, and Anna of Bohemia and Hungary.

At the age of sixteen, John was chosen to marry his first cousin, the 20-year-old Eleanor of Austria, eldest daughter of Philip the Handsome of Austria-Burgundy and Queen Joanna of Castile, but instead she married his widowed father Manuel.

However, her husband Philip the Handsome was unwilling to accept any threat to his chances of ruling Castile and also minted coins in the name of " Philip and Joanna, King and Queen of Castile, Léon and Archdukes of Austria, etc.

Joanna had her youngest daughter, Catherine of Austria, with her during Ferdinand II's time as regent, 1507 – 1516.

The inbreeding was so widespread in his case that all of his eight great-grandparents were descendants of Joanna of Aragon and Duke Phillip of Austria.

From then on, all his ancestors were in one way or another descendants of Joanna the Mad and Philip I of Castile, and among these just the royal houses of Spain, Austria and Bavaria.

João Manuel, Prince of Portugal () ( 3 June 1537 – 2 January 1554 ) was a Portuguese infante ( prince ), the eighth son of King John III of Portugal by his wife Catherine of Austria ( House of Habsburg ), daughter of Philip I of Castile and Joanna of Castile.

Born in Vienna, Rudolf was the eldest son of Duke Albert II of Austria and his wife Joanna of Pfirt.

* Lier was in 1496 the scene of a significant marriage in European history, when Philip the Handsome, son of Maximilian of Austria, married Joanna of Castile.

Joanna married her first husband, William, Duke of Austria in Vienna in the autumn of 1401 when she was 28 years of age.

Eleanor was born in Louvain as the eldest child of Philip of Austria and Joanna of Castile, who would later become co-sovereigns of Castile.

Albert III was born in Vienna, the third son of Duke Albert II of Austria and his wife Joanna of Pfirt.

She had two stepchildren from Maximilian's marriage to Mary of Burgundy, Philip the Handsome, who married Joanna of Castile, and Archduchess Margaret of Austria, who married firstly, John, Prince of Asturias and secondly Philibert II, Duke of Savoy.

On 18 December 1565, he married Joanna of Austria, youngest daughter of Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary, after among others Princess Elizabeth of Sweden had been considered.

Joanna was homesick for her native Austria, and Francesco was neither charming nor faithful.

An Infanta of Castile, Archduchess of Austria and Princess of Burgundy, Catherine was the posthumous daughter of Philip of Hapsburg by Joanna of Castile She was born in Torquemada and remained with her disturbed mother until the arrival in Spain from Flanders of her eldest siblings, Eleanor of Austria and the future Emperor Charles V. All of her five older siblings except Ferdinand ( the future Emperor Ferdinand I, were born in the Low Countries and had been put into the care of their aunt Margaret of Austria, but Joanna kept hold of her young daughter Catherine.

Joanna of Austria ( in Castilian, doña Juana de Austria ; in Portuguese, Dona Joana de Áustria, 24 June 1535 – 7 September 1573 ) was regent of Spain for her brother, King Philip II of Spain.

* 1945 – Joanna Cassidy, American actress

* 1979 – Joanna García, American actress

** Joanna I ( 1343 – 1382 )

** Joanna II ( 1414 – 1435 )

** Joanna II ( 1328 – 1349 )

** Joanna I ( 1373 – 1381 )

* 1937 – Joanna Russ, American author and feminist ( d. 2011 )

* 1973 – Joanna Brodzik, Polish actress

* 1978 – Joanna Taylor, English model and actress

* 1962 – Joanna Shields, American Business woman

Joanna Russ ( February 22, 1937 – April 29, 2011 ) was an American writer, academic and feminist.

In the original series, which ran on Radio 4 from 1973 – 83, no adaptation was made of the seminal Gaudy Night, perhaps because the leading character in this novel is Harriet and not Peter ; this was corrected in 2005 when a version specially recorded for the BBC Radio Collection was released starring Carmichael and Joanna David.

* 1983 – Joanna Higson, English actress

* 1940 – Joanna Miles, American actress

* 1942 – Joanna Pettet, English actress

* 1479 – Queen Joanna of Castile of Spain ( d. 1555 )

* 1943 – Joanna Shimkus, Canadian actress

* October 6 – Joanna Pacitti, American singer

* August 2 – Joanna Cassidy, American actress

* May 1 – Joanna Lumley, English actress and author

* 8 May – Joanna I of Auvergne, queen consort of France ( d. 1360 )

* February 7 – King Henry IV of England marries Joanna of Navarre, the daughter of Charles d ' Évreux, King of Navarre.

* September 11 – Joanna Baillie, Scottish writer ( d. 1851 )

* November 10 – Joanna Moore, American actress ( d. 1997 )