誰が Giovanni V di Bretagna と結婚しましたか？

Giovanni V di Bretagna (1339 – Nantes, 2 novembre 1399) fu Duca di Bretagna e Conte di Montfort dal 1345 e Conte di Richmond, dal 1372, alla morte.

Lady Joan Holland (1350 – October 1384) was Duchess of Brittany as the second wife of John IV, Duke of Brittany. She was the daughter of Joan of Kent and Thomas Holland, 1st Earl of Kent. Her mother's second husband was Edward the Black Prince, and the child of that marriage was King Richard II of England.

Joan Holland's marriage to John IV took place in London in May 1366, but without the approval of King Edward III of England, Joan's step-grandfather, who claimed overlordship of Brittany. The couple had no children.

Joan's death, in her thirties, was politically inexpedient. In 1386, two years afterwards, John IV married Joan of Navarre, later the queen of King Henry IV of England.

Mary of Waltham (10 October 1344 – September 1361), Duchess of Brittany, was a daughter of King Edward III of England and Philippa of Hainault and was the wife of John IV, Duke of Brittany, known in England as "John V" and "The Conqueror". Mary was made a Lady of the Garter in 1378.

ジョーン・オブ・ナヴァール（Joan of Navarre, 1370年? - 1437年6月10日）は、イングランド国王ヘンリー4世の王妃。ナバラ国王カルロス（シャルル）2世と王妃フアナ（ジャンヌ、フランス王ジャン2世の娘）の娘。兄はカルロス（シャルル）3世、モルタン伯ピエール。フランス語名ジャンヌ・ド・ナヴァール（Jeanne de Navarre）。