Eleanor de Bohun daughter of Humphrey de Bohun, 7th Earl of Hereford, duchess of Gloucester (1366–1399) Parents Humphrey de Bohun, 7th Earl of Hereford Joan de Bohun, Countess of Hereford Children Philippa Plantagenet Isabella of Woodstock Humphrey, 2nd Earl of Buckingham Joan of Woodstock Anne Plantagenet, Countess of Eu Siblings Mary de Bohun Partners Thomas of Woodstock, 1st Duke of Gloucester John Butler of Clonamicklon