• Born: 1247
• Married (1): Bef 14 May 1260
• Married (2): Bef 1273
• Married (3): 2 Sep 1285, Poling, Sussex, England
• Died: After 1300

  Research Notes:

The primary source which confirms her parentage and second and third marriages has not yet been identified. Hearings following the death of "John son of Alan of Arundel", dated “2 Edw I”, record that "Isabel late the wife of the said John" claimed her dower, naming “Roger de Mortuomari guardian of the said John´s heir”. ¹

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91. John son of Alan, of Arundel.

Extract from the Records of the King's Bench at Westminster:—

Isabel late the wife of the said John seeks in dower a third of the manors of Halthamstan and Rodington, co. Salop, a third of the rents in Westdene and Sengelton, co. Sussex, a third of the manor of Borhunte, co. Southampton, and a third of two parts of four water mills in Swanburne and Arundel, against divers tenants who called to warrant Roger de Mortuomari guardian of the said John's heir, who said that he held the wardship of part of the lands by the grant of king Henry and could not warrant without the king, and Robert Aguylun, who held the other parts as the king's bailiff...

The said Isabel seeks in dower a third of a water-mill and 7s. rent in Muleford against the abbott of Hagheman, who called to warrant Richard son and heir of the said John, who is within age..., by (reason of) a deed from the said John testifying that he gave the same mill and rent to the said abbott...

Writ of assignment of dower to the said Isabel of 2 marks rent out of the tenements and rents late of the said John, in the king's hand, instead of a third of the mill of Muleford which the said John gave to the abbot of Hageman in frankalmoin and 2s. 4d. rent, for a third of 7s. rent which he also gave to the said abbot, 22 Ju...., 2 Edw. I [1273] ²