Saya mau tau Keturunan dari Heinrich V, Kaisar Romawi Suci

Silsilah keluarga Raja Jerman. Ia memiliki hubungan dengan seluruh raja Jerman lainnya.

Comyn, Robert. History of the Western Empire, from its Restoration by Charlemagne to the Accession of Charles V, Vol. I. 1851

Gwatkin, H.M., Whitney, J.P. (ed) et al. The Cambridge Medieval History: Volume III. Cambridge University Press, 1926.

Norwich, John Julius. The Normans in the South 1016–1130. Longmans: London, 1967.

Milman, Henry. History of Latin Christianity, including that of the Popes, to the Pontificate of Nicholas V, Vol. III. 1854