Upon the birth of your fourth child, your husband, Henry Stafford, Duke of Buckingham, had been accused of treason after supporting a rebellion leaded by Henry Tudor, and promptly executed. For two years, you had remained a widow, clad in dark and caring only for your children, until Richard III was slain in battle and lord Henry Tudor -now Henry VII- ascended the throne, and had you wed to his uncle, lord Jasper Tudor.