Elftrude or Elisende of Flanders was born circa 935 to Arnulf I of Flanders (c890-965) and Adele de Vermandois (910-960) and died circa 970 of unspecified causes. She married Siegfried I de Guines (c940-aft965) 964 JL .
Siblings
| Name | Birth | Death | Joined with |
| Elftrude of Flanders (935-?) | 935 | 970 | Siegfried I de Guines (c940-aft965) |
| Hildegard of Flanders (935-990) | 935 | 10 April 990 | Dirk II van Holland (930-988) |
| Egbert of Flanders (937-953) | 937 | 953 | |
| Baldwin III of Flanders (940-962) | 940 | 1 January 962 | Mathilde Billung (c940-1008) |
| Luitgard of Flanders (941-964) | 941 | 29 September 964 | Wichman IV van Hamaland (c935-974) |
Children
| Name | Birth | Death | Joined with |
| Hawise de Guines (c958-) | |||
| Ardolf I de Guines (c966-aft996) | 966 | 996 | Mathilde de Boulogne (?-?) |
From French Wikipedia (accessed Nov 2017):
- Elftrude, née vers 932, mariée en 964 à Siegfried († 965), seigneur de Guines. Ils eurent deux enfants :
- Ardolf Ier de Guînes (°v.966 -ap.996)
- Hawise de Guines (v. 958- ?)
Footnotes (including sources)
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| Ω Birth |
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| ¶ Death |
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