Biography
Siegfried I. von Anhalt was born circa 1230 to Heinrich I. von Anhalt (c1170-1252) and Irmgard von Thüringen (1196-1244) and died after 25 March 1298 Köthen, Saxony-Anhalt, Germany of unspecified causes. He married Katharina of Sweden (1245-aft1289) 17 October 1259 JL .
Children
| Name | Birth | Death | Joined with |
| Sofie von Anhalt (c1257-aft1390) | |||
| Albrecht I. von Anhalt-Zerbst (c1258-c1316) | 1258 | 1316 | Liutgard von Holstein-Itzehoe (c1251-aft1289) Agnes von Brandenburg (c1276-1329) |
| Agnes von Anhalt (c1260-aft1316) | |||
| Hedwig von Anhalt (c1262) | |||
| Heinrich von Anhalt (c1264-aft1339) | |||
| Siegfried von Anhalt (c1266-aft1315) | |||
| Elisabeth von Anhalt (c1268) | |||
| Judith von Anhalt (c1270) | |||
| Konstanze von Anhalt (c1272) | |||
| Hermann von Anhalt (c1274-1296) | |||
Footnotes (including sources)
| ‡ General |
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