She married Thomas de WICKHAM on 1395 in Pushull, Oxfordshire, England
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II. Isabella D'Oyly, who, in or before 1407, became the first wife of Thomas de Wickham, esq. of Swalcliffe and Woodstock, co. Oxon; and to them and their issue Robert de Wickham, his kinsman, and others, gave the lordship of Swalcliffe in 1410. The said Thomas was grandson of Sir Robert de Wickham (son of the heiress of Waterville), by Elizabeth his wife, dau. of Sir John de la Sore. He survived Isabella D'Oyly, and married secondly, before 1438, Margery —, by whom he had a son William; but by the said Isabella, who was alive in 1427 (when he gave the reversion of his lands to her sons), be had issue,
1. Thomas de Wickham, esq. of Swalcliffe, who was of age 1438, and dying about 1465, was progenitor of Wickham of Swalcliffe, now represented by Sophia Elizabeth Wykeham, of Thame Park and Swalcliffe, co. Oxon.
2. John Wickham.
3. Percival Wickham, sworn child to Winchester College in 1439; and thus proving his father to have been of kin to the celebrated Bishop of Winchester.
4. Guy Wickham, who was buried at St. Mary Magd. Old Fish Street, London, and his will proved in 1496.
5. Edward Wickham.[231]
Their arms were, "Argent, two chevronels sable between three roses gules."