Erich IV. von Sachsen-Lauenburg, Herzog von Sachsen-Lauenburg, was born 1354 to Erich II. von Sachsen-Lauenberg (c1319-1368) and Agnes von Holstein-Kiel (c1325-1386) and died 21 June 1412 of unspecified causes. He married Sofie von Braunschweig-Lüneburg (c1358-bef1416) 8 April 1373 JL . Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, William I of England (1027-1087)/s.
Children
| Offspring of Erich IV. von Sachsen-Lauenburg and Sofie von Braunschweig-Lüneburg (c1358-bef1416) | |||
| Name | Birth | Death | Joined with |
| Erich V. von Sachsen-Lauenburg (c1374-bef1429) | |||
| Johann IV. von Sachsen-Lauenburg (c1377-1414) | |||
| Albrecht von Sachsen-Lauenburg (c1384-1421) | |||
| Bernhard II. von Sachsen-Lauenburg (c1385-1463) | 1385 | 16 July 1463 | Adelheid von Pommern (1410-aft1445) |
| Agnes von Sachsen-Lauenburg (c1387-bef1415) | 1387 | 21 December 1415 | Albrecht II. von Holstein-Schauenburg (-1403) Albrecht II. von Holstein-Schauenburg (-1403) Wartislaw VIII. von Pommern (1373-1415) |
| Magnus von Sachsen-Lauenburg (c1390-1452) | |||
| Otto von Sachsen-Lauenburg (c1394-bef1431) | |||
| Sophie von Sachsen-Lauenburg (c1395-1462) | 1395 | 1462 | Wartislaw IX. von Pommern (c1400-1457) |
| Margarethe von Sachsen-Lauenburg (c1397-bef1422) | |||
| Katharina von Sachsen-Lauenburg (c1400-1450) | 1400 | 2 September 1450 | Johann VII. von Werle (-1414) Johann VII. von Werle (-1414) Johann IV. zu Mecklenburg (bef1370-1422) |
Footnotes (including sources)
| ‡ General |
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