General Notes

Henry Plantaganet, Earl of Derby and Duke of Lancaster, successor to Henry Plantagenet 3rd Ea rl of Lancaster, died March 24 1360/61.  He was the original Knight of the Garter.  See Burke , pag 432.  He married Isabel, daughter of Henry Beaumont, Lord Beaumond, a descendant of Sur eity Saire de Quincy and Jean de Brienne, King of Jerusalem.  They had two daughters: Maud, w ho died without issue, and Blanche. Later kings of England descended from Henry through his d aughter Blanche Plantaganet, first wife of John of Gaunt, Earl of Richmond.  Their son was He nry Bolinbroke, Duke of Lancaster and Herford, and eventually King Henry IV.  See Shakespeare 's King Richard II.  King Henry IV, Part 1, and King Henry IV, Part II."  John of Gaunt and B lanche Plantaganet had also Philippa Plantaganet, who married John, ing of Portugal.