BOOK Kings and Queens of Great Britain, Genealogical Chart, Anne Taute and Romilly Squire, Taute, 1990: "Daughter (of Richard II and Judith), Died young."
ANCESTRAL FILE Ancestral File 9R45-76 Miss De, 92D5-RB Lady, Ver 4.10 Miss Princess of NORMANDY Died Jun, and 8PTW-5V Daughter De.