Siegfried was born about 0940, the son of unknown parents. The place is not known.
He died after 0965. The place is not known.
His wife was Elftrude de Flandre, who he married in 0964. The place has not been found. Their only known child was Ardolf I (c0966->0996).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 0940 |
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| Death | AFT 0965 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte de Guînes |