Adelaide Welf de Bourgogne was born circa 931 to Rodolphe II de Bourgogne (?-937) and Berta von Schwaben (c907-c966) and died 16 December 999 of unspecified causes. She married Lothaire of Arles (c925-950) 12 December 947 JL .
Children
| Name | Birth | Death | Joined with |
| Emma d'Arles (c948-aft988) | 948 | 12 October 988 | Lothair (941-986) |
| Name | Birth | Death | Joined with |
| Heinrich von Sachsen (952-954) | 952 | 954 | |
| Bruno von Sachsen (953-957) | 953 | 8 September 957 | |
| Matilda von Sachsen (954-999) | 954 | 7 February 999 | |
| Otto II von Sachsen (955-983) | 955 | 7 December 983 Rome | Theophanu Skleros (960-991) |
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