Nativitas: 25 Martii 1342; Bolingbroke Castle Obitus: 12 Septembris 1368; Tutbury Castle Patria: Anglia
Familia
Genitores: Henricus; Isabel of Beaumont Coniunx: Iohannes Gandavensis Proles: Henricus IV, Philippa of Lancaster, Elizabeth of Lancaster, Duchess of Exeter, John of Lancaster, Edward Planatagenet, John Plantagenet, Isabella Plantagenet Familia: Lancastria, Plantagenistae
L. A. Loschiavo, "The birth of “Blanche the Duchesse”: 1340 versus 1347" in Chaucer Review vol. 13 (1978) pp. 128–32
P. M. Remfry, Grosmont Castle and the families of Fitz Osbern, Ballon, Fitz Count, Burgh, Braose and Plantagenet of Grosmont. Worcester: SCS Publishing, 2003. ISBN 1-899376-56-9