Walter son and heir of Ralph (who m. Basilie), son and heir of Walter d'Aincurt, the Domesday lord of Blankney. [Complete Peerage IV:118 note (c)]
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Walter d'Eyncourt, 3rd baron, who, with his son Oliver, fought on the side of King Stephen in the battle of Lincoln, 1141, and he appears, on his son's death subsequently, to have given lands to Walter, a priest, who had saved his son from captivity and death in that battle, to pray for his soul. Walter was s. by his other son, John. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, England, 1883, p. 170, d'Eyncourt, Barons d'Eyncourt]