He began the building of Berkeley Castle in 1117, and died before Michaelmas, 1131.

Son of Roger I de Berkeley. Children uncertain.

http://fmg.ac/Projects/MedLands/ENGLISHNOBILITYMEDIEVAL3.htm (updated 2019)

[Three] brothers. It is possible that they were children either of Roger [I] de Berkeley, or of Ralph de Berkeley, but no primary source which confirms that this is correct has been identified. Ellis suggests that Roger [II] may have been the son of Ralph de Berkeley, and Eustace the probable son of Roger [I] de Berkeley, although apparently without any primary source basis[1223].

1. ROGER [II] de Berkeley (-Sep 1131). The Complete Peerage records that Roger [II] de Berkeley began building the castle of Berkeley in 1117 (no sources cited)[1224]. The 1130 Pipe Roll records "in dnio Reg…terra Rogi de Berchelai" in Gloucestershire, and a reference to the land of "Rogi de Berchelai" in Berkeley[1225].

2. --- de Berkeley . His parentage is confirmed by the letter written by his son “Willielmus de Berkeley et fundator Kingswode” to Pope Innocent II recalling that Henry I King of England had granted land to "patruo nostro Rogero de Berkeley"[1226]. m ---. One child:

a) WILLIAM de Berkeley (-after [1141]). The 1130 Pipe Roll records the return of "Will’s de Berchelai…de firma de Berchelai"[1227]. “Willielmus de Berkeley et fundator Kingswode” wrote to Pope Innocent II recalling that Henry I King of England had granted land to "patruo nostro Rogero de Berkeley"[1228]. Domesday Descendants dates the foundation to 1139 (no source cited)[1229]. This is presumably based on the commentary in Dugdale’s Monasticon, which cites no corresponding primary source[1230]. According to the Complete Peerage, Roger [III] de Berkeley was the son of Roger [II] de Berkeley (no sources cited)[1231]. The Historia Fundationis of Kingswood priory in Wiltshire records that “Willielmus de Berkeley” donated the priory to Tintern abbey, in the early years of the reign of King Stephen[1232]. The 1130 Pipe Roll records "Will’s de Berchelai" in [Rutland][1233]. m ---. The name of William’s wife is not known. William & his wife had children:

i) ROGER [III] de Berkeley (-after 1177). The Historia Fundationis of Kingswood priory in Wiltshire names “Rogero de Berkeleye, hærede…Willelmi de Berkeley”[1234].

3. [EUSTACHE of Nympesfield . The Complete Peerage records that Roger [II] de Berkeley was the brother of Eustache of Nympesfield, although it is not stated whether they were born from the same father (no sources cited)[1235].]

Sources:

[1223] Ellis ‘Landholders of Gloucestershire’, pp. 145 and 148.

[1224] CP II 124.

[1225] Pipe Roll 31 Hen I (1129/30), pp. 80 and 133.

[1226] Dugdale Monasticon V, Kingswood Priory, Wiltshire IX, p. 427.

[1227] Pipe Roll 31 Hen I (1129/30), p. 133.

[1228] Dugdale Monasticon V, Kingswood Priory, Wiltshire IX, p. 427.

[1229] Domesday Descendants, p. 321.

[1230] Dugdale Monasticon V, Kingswood Priory, Wiltshire, p. 424.

[1231] CP II 124.

[1232] Dugdale Monasticon V, Kingswood Priory, Wiltshire I, p. 425.

[1233] Pipe Roll 31 Hen I (1129/30), [Rutland], p. 133.

[1234] Dugdale Monasticon V, Kingswood Priory, Wiltshire I, p. 425.

[1235] CP II 124.

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Lord Roger de Berkley
in the tyme of ye Conquest.

Arms: a fess between three marlets sable

This is the Barkley family of Planches, Bradley, Ewdness, Clungunford, Lea Hall and Stoke.

Arms: Gules on a chevron between ten crosses patte'e. six above and four below, argent an estoile sable- Harl.615 makes it a cinquefoil

Crest: A mitre gules charged with a chevron between ten crossess, etc, as in the arms.