Isabella was granted the stannaries in Devon, and the revenue of Aylesbury for a period of four years, in compensation for her confiscated dower lands in Normandy, as well as the £3,000 arrears for her pension.
Isabelle diberikan stannaries di Devon, dan pendapatan Aylesbury untuk jangka waktu empat tahun, untu mengganti rugi tanah-tanahnya yang disita di Normandia, serta £3,000 tunggakan pensiunnya.