“Willielmus de Bellocampo, filius Simonis de Bellocampo” confirmed his father’s donations to Chicksand priory, for the souls of “patris mei Simonis…et matris meæ Isabellæ et uxoris meæ Gunnoræ et fratrum…meorum”, by undated charter.
Lord of Bedford. The Red Book of the Exchequer records "Willelmus de Bello Campo" holding 45 knights’ fees in Bedfordshire in [1210/12]. The Annals of Dunstable record that “domini Willelmi de Bellocampo…per consilium dominæ Idæ de Bellocampo” imposed a new prior at Newham, dated to 1247. The Annals of Dunstable record further persecutions of Newham priory by “W de Bellocampo patronus loci et domina Hida uxor sua”, dated to 1254.
The Annals of Dunstable record that “Willelmus de Bellocampo senior” died in 1260. 1
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22 Oct 1259, Westminster
Whereas the king had granted to William de Beauchamp of Bedford junior that he could to render 100 m. per annum at the Exchequer of the 500 m. by which he made fine with him for ratification of the gift which William de Beauchamp of Bedford, his father, made to him of all his lands that he held from the king in chief, namely 50 m. at Easter and 50 m. at Michaelmas until the same 500 m. had been paid to the king, and whereas Robert de Brus took it upon himself to make payment of the said money for the abovesaid William junior by an agreement concerning this made between them, as Robert has recognised before the king (coram Rege), the king has granted Robert that, even though neither he nor William have kept the said terms, he may nevertheless recover those terms as long as he shall render 50 m. at the Exchequer now and 50 m. at the Exchequer of Easter next to come, and 100 m. thus from year to year at the same terms until the aforesaid 500 m. have been paid to the king....
Calendar of Fine Rolls, 43 Hen. III., 869