House of Lancaster, Henry was related to the most prominent people in early 14th-century England. Notes References Sources External links Online version of Livre de seyntz medicines (in the original Anglo-Norman) Inquisition Post Mortem #118, dated 1361. 1310s births Lancaster, Henry of Grosmont, Duke of Year of birth uncertain Henry of Grosmost Dukes of Lancaster Lancaster, Henry of Grosmont, Duke of Garter Knights appointed by Edward III Lancaster, Henry of Grosmont, Duke of Lancaster, Henry 14th-century English Navy personnel Medieval Christian devotional writers English people of the Wars of Scottish Independence Male Shakespearean characters 4th Earl of Leicester Earls of Derby Lancaster Peers created by Edward III Barons of Halton Earls of Lancaster