Duke of Saxony-Ratzeburg Erich Lauenburg, IV
1354 - 1411 (57 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Duke of Saxony-Ratzeburg Erich Lauenburg, IV [1] b. 1354 d. 21 Jun 1411
- Princess of Brunswick Sofie b. Abt 1358 d. Aft 28 May 1416
- 2 Duke of Saxony Erich, V [1.1] b. Abt 1374 d. Bef 1429
- 2 Duke of Saxony Johann, IV [1.2] b. Abt 1377 d. Apr 1414
- 2 Princess of Saxony-Lauenburg-Ratzeburg Katharine [1.3] b. Abt 1380 d. Aft 18 Nov 1448
- 2 Prince of Saxony Albrecht [1.4] b. Abt. 1384 d. 20 Mar 1421
- 2 Princess of Saxony Agnes Lauenburg [1.5] b. Abt 1387 d. Bef. 21 Dec 1415
- 2 Prince of Saxony Magnus [1.6] b. Abt. 1390 d. 21 Sep 1452
- 2 Bernhard of Saxony Lauenburg Ratzeburg, II (IV) [1.7] b. Abt 1392 d. 16 Jul 1463
- Princess of Pomerania Adelheid b. Abt 1404 d. Aft 1445
- 3 Princess of Saxony Sofie [1.7.1] b. Abt 1432 d. 9 Sep 1473
- 3 Duke of Saxony Johann Lauenburg Ratzburg, IV (V) [1.7.2] b. 18 Jul 1439 d. 15 Aug 1507
- Duchess of Saxony-Lauenburg-Ratzburg Dorothea b. 1446 d. Mar 1519
- 4 Prince of Saxony Lauenburg Ratzburg Erich [1.7.2.1] b. Abt. 1466 d. 20 Oct 1522
- 4 Duke of Saxony-Lauenburg-Ratzburg Magnus, I [1.7.2.2] b. Abt 1467 d. 1 Aug 1543
[ =>]
- 4 Princess of Saxony Lauenburg Anna [1.7.2.3] b. Abt 1468 d. 9 Aug 1504
- 4 Princess of Saxony Lauenburg Ratzburg Sofie [1.7.2.4] b. Abt 1470 d. Bef 1502
- 4 Princess of Saxony Lauenburg Ratzburg Elisabeth [1.7.2.5] b. Abt 1472 d. Aft 07 Apr 1542
- 4 Prince of Saxony Rudolf Lauenburg Ratzburg [1.7.2.6] b. Abt. 1474 d. Aft. 1501
- 4 Prince of Saxony Lauenburg Ratzburg Heinrich [1.7.2.7] b. Abt. 1476
- 4 Prince of Saxony Lauenburg Ratzburg Friedrich [1.7.2.8] b. Abt. 1478 d. Bef. 1501
- 4 Princess of Saxony Lauenburg Ratzburg Adelheid [1.7.2.9] b. Abt 1480
- 4 Prince of Saxony Lauenburg Ratzburg Bernhard [1.7.2.10] b. Abt. 1482 d. 3 Jan 1524
- 4 Princess of Saxony Katharine Lauenburg Ratzburg [1.7.2.11] b. Abt 1484
- 4 Prince of Saxony- Lauenburg-Ratzburg Johann [1.7.2.12] b. Abt. 1486 d. 20 Nov 1547
- 4 Princess Saxony Lauenburg Ratzburg Margarethe [1.7.2.13] b. Abt 1488
- 4 Prince of Saxony Lauenburg Ratzburg Erich [1.7.2.1]
- 3 Princess of Saxony Sofie [1.7.1]
- 2 Prince of Saxony Otto [1.8] b. Abt. 1394 d. Bef. 1431
- 2 Princess of Saxony Margarethe [1.9] b. Abt 1397 d. Bef 1422
- 2 Princess of Saxony Lauenburg Sofie [1.10] b. Abt 1400 d. 1462
- 2 Duke of Saxony Erich, V [1.1]