Gudmar was born about 1260, the son of unknown parents. The place is not known.
He died after 1312. The place is not known.
His wife was Margareta Ulfsdotter Ulv, who he married in 1291. The place has not been found. Their two known children were Magnus Gudmarsson (c1292-<1363) and Ulf Gudmarsson (1297/98-1344).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1260 |
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| Death | AFT 1312 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1312 TO 1313 | lagman i Västergötland |