4 Oct 1304: "Confirmation, with exemplification, of an ordinance made by Walter bishop of the diocese, dated Warewell, 4 Non. Oct. 1304, on the petition of John de Bellocampo, whose ancestors founded the said chapel, and who, on the resignation of it by Henry de Wyk, granted to it lands and the patronage of the parish church, value 20l. for the maintenance of five priests, those appointed being named Reginald de Meneketon, provost, Henry Cros, Thomas de Ateberi, John Champion, William de Septon, chaplains; part of their duties being to pray for the souls of John, father of John de Bellocampo, Robert his brother, Cicely his mother, and John his son, and to distribute certain doles." 
↑ "Regesta 56: 1308-1309," in Calendar of Papal Registers Relating To Great Britain and Ireland: Volume 2, 1305-1342, ed. W H Bliss (London: Her Majesty's Stationery Office, 1895), 49-65. British History Online, accessed May 19, 2017, .
John Batten, "The Barony of Beauchamp of Somerset", Proceedings of the Somersetshire Archaeological and Natural History Society archive.org.
Cockayane et al., Complete Peerage, 2nd ed., Vol.2, p.48 (under Beauchamp of Somerset).
Richardson, Royal Ancestry, Vol. IV under SEYMOUR, p. 613 etc.
Sanders, English Baronies, p.51.
Magna Carta Ancestry: A study in Colonial and Medieval Families, Richardson, Douglas, (Kimball G. Everingham, editor. 2nd edition, 2011), vol. 3 p. 103, and 105-106.
The complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, Cokayne, George Edward, (Gloucester [England] : Alan Sutton Pub. Ltd., 1987), 942 D22cok., vol. 4 p. 199.
Frederick Lewis Weis, "Ancestral Roots of Certain American Colonists," 7th Ed.
Pedigree Resource File CD 49. (Salt Lake City, UT: Intellectual Reserve, Inc., 2002)