Waleran de Beaumont [elder brother William, 3rd Earl of Warwick, dsp in the Holy Lands (15 Nov?) 1184], 4th Earl of Warwick; married 1st Margery, daughter of Humphrey de Bohun by Margaret, eldest daughter and ultimate coheir of 1st Earl of Hereford of the 1141 creation. The 4th Earl of Warwick married 2nd c1196 Alice, apparently daughter of Robert de Harcourt, of Stanton (subsequently Stanton Harcourt), Oxon, though, if so either Alice and the 4th Earl's marriage date of c1196 is far too early or her father's marriage date of c1200 is far too late, and widow of John de Limesy, and died 24 Dec 1203(?). [Burke's Peerage]
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Waleran de Newburgh, 4th Earl of Warwick. This nobleman, Dugdale says, "had much ado a great part of his time touching his inheritance; there starting up one who feigned himself to he his brother, Earl William, deceased in the Holy Land, which occasioned him no little trouble and vexation; so that it is thought by some that the grant which he made to Hubert, archbishop of Canterbury, then chancellor of England, of the advowson of all the prebendaries belonging to the collegiate church, in Warwick, to hold during his life, was to purchase his favour in that weight business." His lordship m. 1st, Margery, dau. of Humphrey de Bohun, Earl of Hereford, by whom he had issue, Henry, his successor, Waleran, and Gundred. He m. 2ndly, Alice, dau. of John de Harcourt, and widow of John de Limesi, by whom he had an only dau., Alice. The earl d. in 1205 and was s. by his elder son, Henry de Newburgh. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 399, Newburgh, Earls of Warwick]
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Waleran de Beaumont, Earl of Warwick, brother of William de Beaumont, Earl of Warwick, survived until Dec. 1204, and left a son, Henry, still a minor. [Encyclopaedia Britannica, 1961 ed., Vol. 23, pg. 375, EARLS OF WARWICK]