Wilhelm I Guelph 
Wilhelm I was born in 1392. Wilhelm I's father was Heinrich III Guelph and his mother was Sophie Von Pommern. His paternal grandparents were Magnus II+ Guelph and Katharina Von+ Anhalt-Bernburg; his maternal grandparents were Wartislaw VI Von Pommern and Anna Von Mecklenburg-Stargard. He had a sister named Katharina. He was the younger of the two children. He had a half-brother named Heinrich. He died at the age of 90 on July 25th, 1482.General Notes
Herzog von Braunschweig-Luneburg and Braunschweig-Wofenbuttel
SOURCES: "Ancestors/Descendants of Carolingens" http://www.geneastar.org.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.1236 d.1279
- b.~ 1268 d.22 Sep 1318
- b.~ 1240 d.1285
- b.~ 1304 d.Jul 1369
- b.~ 1233 d.08 Oct 1291 in Saal--killed.
- b.~ 1268 d.BET 1312 AND 1317
- b.~ 1238 d.13 Dec 1288
- b.~ 1332 in Wolfenbhuttel, Braunschweig, Germany d.26 Jul 1373 in Leveste, Hannover, Prussia
- b.1213 d.04 Apr 1266
- b.~ 1265 d.22 Sep 1318
- b.~ 1240 d.1287
- b.~ 1305 d.1356
- b.1229 d.1294
- b.~ 1280 d.1345
- b.~ 1251 d.22 Dec 1304 in Munich, Germany
- b.~ 1365 d.14 Oct 1416
- b.~ 1235 d.BET 1286 AND 1287
- b.~ 1260 d.1324
- b.~ 1240 d.> 1284
- b.~ 1300 d.20 Aug 1348
- b.~ 1240 d.29 Dec 1302 in Oslo, Norway
- b.~ 1270 d.19 Aug 1315
- b.~ 1242 d.> 1302
- b.~ 1340 in Bernburg, Anhalt, Germany d.30 Jan 1391
- b.~ 1268 d.22 Sep 1318
- b.~ 1304 d.Jul 1369
- b.~ 1268 d.BET 1312 AND 1317
- b.~ 1324 d.28 Jun 1354
- b.~ 1265 d.22 Sep 1318
- b.~ 1305 d.1356
- b.~ 1280 d.1345
- b.1392 d.25 Jul 1482
- b.BET 1255 AND 1258 d.19 Feb 1310
- b.1291 d.01 Aug 1326
- b.~ 1265 d.1318
- b.17 Jul 1317 d.22 Aug 1365
- b.~ 1245 d.1316
- b.~ 1292 d.BET 1350 AND 1356
- b.~ 1259 d.1322
- b.~ 1345 d.13 Jun 1394
- b.~ 1235 d.05 Oct 1283
- b.~ 1275 d.27 Aug 1337
- b.~ 1240 d.BET 1301 AND 1304
- b.~ 1325 d.05 Sep 1364
- b.1267 d.1322
- b.~ 1286 d.14 Mar 1344
- b.~ 1268 d.> 1332
- b.~ 1368 d.28 Jun 1400
- b.~ 1232 d.02 Jan 1302
- b.1267 d.21 Jan 1329
- b.~ 1245 d.15 Mar 1317
- b.~ 1320
- b.~ 1250 d.25 Aug 1298
- b.~ 1285 d.1327
- b.~ 1257 d.11 Oct 1322
- b.~ 1348 d.> 1397
- b.~ 1256 d.13 May 1315
- d.05 Jun 1353
- b.~ 1272 d.1332
- b.~ 1325 d.1356
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‌Wilhelm I and Cecilie Von were married in a religious ceremony on May 30th, 1423. They had a son named Wilhelm II.