Ermesinda of Urgell was born on an unknown date to Ermengol of Urgell (974-1010) and Guisla de Roussillon (?-?) . She married Guillem II de Pallars Sobirà (?-1035) 2029 .
Children
| Name | Birth | Death | Joined with |
| Bernat II de Pallars Sobirà (c1019-1049) | 1019 | 1049 | |
| Artau I de Pallars Sobirà (c1021-1081) | 1021 | 1081 | Constança Llucia de La Marche (?-c1078) |
| Ramon de Pallars Sobirà (c1023-1091) | |||
| Eldiondis de Pallars Sobirà (c1025-?) | |||