| 361 | Helene von Braunschweig (-4 March), parents: Johann and Liutgard von Holstein |
| 362 | Helene von Braunschweig-Lüneburg (18 March 1223-6 September 1273), parents: Otto I "das Kind" and Mathilde von Brandenburg |
| 363 | Helene von Kleve (18 August 1423-3 July 1471), parents: Adolf and Marie de Bourgogne |
| 364 | Helvis Ibelin (1307-after 25 May 1347) |
| 365 | Helvis von Braunschweig (1353-15 January 1421), parents: Philipp von Braunschweig and Alix de Dampierre |
| 366 | Helvis von Braunschweig (-), parents: Heinrich II "der Junge" and Helvis Ibelin |
| 367 | Henri de Blois-Châtillon (-after 31 July 1400), parents: Charles de Blois-Châtillon and Jeanne "la Boiteuse" de Bretagne |
| 368 | Henriette Christine von Braunschweig-Wolfenbüttel (19 September 1669-20 February 1753), Abbess of Gandersheim, parents: Anton Ulrich and Elisabeth Juliane of Schleswig-Holstein-Sonderburg-Nordborg |
| 369 | Henriette von Braunschweig-Lüneburg-Hannover (9 March 1672-4 September 1737), parents: Johann Friedrich and Benedikte Henriette Philippine von Simmern |
| 370 | Hugues IV (-), King of Cyprus |
| 371 | Ilse Lucia (-after 1642), parents: August "der Ältere" and Ilse Schmiedichen |
| 372 | Ilse Schmiedichen (1582-1650), parents: Johann Scmiedlichen and Sophia Hausmann |
| 373 | Ivan VI (23 August 1740-5/16 July 1764), Tsar of Russia, parents: Anton Ulrich von Braunschweig-Wolfenbüttel and Elisabeth Katharina Christina von Mecklenburg-Schwerin |
| 374 | Jacques I (1334-9 September 1398), King of Cyprus and Armenia |
| 375 | Jacquette Poussard de Vandré (-) |
| 376 | Jaime de Mallorca (-) |
| 377 | Jaime III (15 April 1315-25 October 1349), King of Mallorca |
| 378 | Jan (4 November 1509-28 February 1565), Duke of Münsterberg-Oels in Oels, parents: Karl and Anna von Sagan und Glogau |
| 379 | Jeanne I (1328-22 May 1382), Queen of Sicily |
| 380 | Joachim Karl von Braunschweig-Wolfenbüttel (29 April 1573-14 October 1615), Provost at Strasbourg Cathedral, parents: Julius and Hedwig von Brandenburg |
| 381 | Joachim von Braunschweig-Wolfenbüttel (-), parents: Heinrich II and Marie von Württemberg |
| 382 | Johann (1242-13 December 1277), Herzog von Braunschweig und Lüneburg in Lüneburg, parents: Otto I "das Kind" and Mathilde von Brandenburg |
| 383 | Johann (around 1280-16/22 February 1311), Herr von Niederhessen, parents: Heinrich I "das Kind" and Mechtild von Kleve |
| 384 | Johann (-3 March 1567), Graf und Herr zu Mansfeld |
| 385 | Johann Adolf (8 April 1634-2 July 1704), Herzog von Schleswig-Holstein-Sonderburg-Plön |
| 386 | Johann Adolf Kielmansegg (30 September 1668-15 November 1717), Graf von Kielmansegg |
| 387 | Johann Anton von Braunschweig-Bevern (16 February 1731-16 June 1732), parents: Ernst Ferdinand and Eleonore Charlotte of Courland |
| 388 | Johann Ernst (10 May 1521-8 February 1563), Duke of Saxe-Coburg, parents: Johann "der Beständige" and Margareta von Anhalt |
| 389 | Johann Friedrich (25 April 1625-28 December 1679), Herzog von Braunschweig-Lüneburg in Hannover, parents: Georg and Anna Eleonore von Hessen-Darmstadt |
| 390 | Johann II (-18 January 1401), Herzog von Braunschweig-Grubenhagen, parents: Ernst I and Adelheid von Everstein |