Ida (Idonea) Longspee (d >1267) was daughter of William Longspee, 1st Earl of Salisbury (1176-1225) and Ela d'Evereux of Salisbury (c 1190-1261). She married, after 1212 and before 1220, William de Beauchamp of Bedford (c 1185-1262) and had several children including Beatrice who married Thomas fitz Otes. Idonea had been married before 1212 to Ralph de Somery (c 1199-1212).
Ida Longspee (>1230->1261), was Idonea's niece, being daughter of William Longspee, 2nd Earl of Salisbury (>1204-1250) and Idoine de Camville (c 1212-1252). She married (c 1247) Walter fitz Robert of Dunmow (c 1220-<1258). They had several children.