• Married: Before 1310
• Died: 28 Nov 1361

  Research Notes:

Dr. Hannes Kleineke had advised previously that she was in fact Margaret Botreaux, or de Botreaux, as evidenced by certain documents in the Cornwall Record Office. Dr. Kleineke advised ... that this identification is documented in his thesis, 'The Dinham Family in the Later Middle Ages' (London Univ. Ph.D., 1998), p. 27, n. 99. One specific example which Dr. Kleineke gave evidencing this identification is Lady Margaret Dinham's seal attached to CRO AR 1/397 [2], which seal " a tree surmounted by two shields of arms, one of the Dinham arms, the other 'chequy, a bend', which obviously matches the Botreaux arms of 'chequy or and gules, a bend vair' admirably." As Dr. Kleineke also noted, the close association of Lady Margaret Dinham to Sir Reginald de Botreaux and his son Sir William is this particular document points further to a familiar relationship. Based upon Lady Margaret's likely range of birth dates between say 1292 [her husband born 14 Sept 1295] and no later than 1297 [her daughter Joan being b. in 1331 - CP IV:373(b)], I would place her as a daughter of William de Botreaux of Boscastle ... and sister of (A) Sir Reginald de Botreaux of Boscastle, who d. 1346 [the supporter in her plea of 'amesurement'... and (B) Dionisia, wife of Sir William Basset of Terhidy (fl. 1300- 1340).

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16 and 23 Jan 1362, Westminster

[Order to the escheator in the county of Devon to take into the king's hand the lands of] Margaret de Dynham.

Calendar of Patent Rolls, 35 Edw. III, pp. 201, 202