Who married John Tiptoft, 1st Baron Tiptoft?

John Tiptoft, 1st Baron Tiptoft (died 27 January 1443) was a Knight of the Shire for Huntingdonshire and Somerset, Speaker of the House of Commons, Treasurer of the Household, Chief Butler of England, Treasurer of the Exchequer and Seneschal of Landes and Aquitaine.