General Notes

Sir John DEINCOURT, of Blankney, &c. (who died before 14 October 1257) (c).  [Complete Peerage IV:118-20, (transcribed by Dave Utzinger)]

(c) This John had livery of his lands, 19 Sep 1246, and was son and heir of Oliver (who had livery in 1217), by Nichole, to whom Nichole (1st daughter and coheir of Richard de la Haye, and wife of Gerard de Caunville) gave Duddington in free marriage; which Oliver was son and heir of Oliver (aged 24 in 1186, m. Amabel, and d. in or bef. 1201), son and heir of John (who had livery in 1167-8, and d. 6 Nov 1183), by Alice, sister of Ralph Murdac.  John was son and heir of Walter son and heir of Ralph (who m. Basilie), son and heir of Walter d'Aincurt, the Domesday lord of Blankney.

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John, 7th baron, m. Agnes de Neville (whose 1st husband was Richard de Percy), and was s. by their son, Edmund. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, England, 1883, p. 170, d'Eyncourt, Barons d'Eyncourt]