Kelly Leighton kindly produced this extract from Knights of Edward I by Rev C Moor, DD, FSA, FRHistS pg 277-8 on the soc.genealogy.medieval newsgroup on 16th Sep 2005:

KEMESEK, Sr Edmund de, Kt.    K. Henry II enfeoffed Mathew, C. of Boulogne, of Exening Manor, Cambs., and Matthew enfeoffed Henry de Kemesek of 20 librates of land there. Henry had Arnulf, who had Henry, who had Edm. De K., whose w. now holds the same in dower (Inq. 26 Mar. 1254). Protection for Edm. De K. 22 May 1267 (P.R.). Sumd to serve agst. Welsh 6 Jy. 1277, he acknowledges 2 Kt. Fees at Saunford, Fordham, and Exning, and offers to make fine, but afterwards promises to serve in person  with 2 serjeants (P.W.), and had Protection, going to Wales for K., 18 Jy. 1277 )P/R.). Sumd again 1282, he makes fine (P.W.), and has his scutage for 10 Ed. I in Suff., Cambs., and Ess., 13 Feb. 1286 (S.R.). Writ for his Inq. 12 May 1288. He held mess. and lands at Felsted, Tilbury as 1 Fee, and Gt. Samford as 1 Fee, in Ess., Ixening as 1 Fee, Suff., and Fordham Ω Fee, Cambs., and left s. h. Edmund, 19 (Inq.). Dower to his wid. Pernell, viz. Ixeling and Forham, lands and rents at Felsted, and pasture in Tilbury Marsh (C.R.), and grant on £100 fine to Bp. Of Lincoln custody of lands of said Edm. At Tilbury and Saunford and 2/3 of Felsted for 2 years in minority of his s. h. Edmund, 4 June 1288 (P.R.).
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