1. SIR ROBERT¹ DE MUSCEGROS was born between 1172 and 1218, and died between 1186 and 29 Jan. 1254^[1]. He married (ABD-5) HAWISE (MALET) POYNTZ, daughter of (ABD-4) Sir William II and (DX-7) Alice (BASSET), who died between 4 May 1287 and 31 Dec. 4095^[1]. ^[1]
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SIR JOHN2 DE MUSCEGROS, b. on 10 Aug. 1232[1]; d. on 8 May 1275[1]; m. (CQ-2) CECILY AVENAL, d. between 1 Jan. and 10 Aug. 1301[1], daughter of (CQ-1) Sir William.

2. SIR JOHN² DE MUSCEGROS (Robert¹), son of (1) Sir Robert¹ and (ABD-5) Hawise (MALET) (POYNTZ), was born on 10 Aug. 1232^[1], and died on 8 May 1275^[1]. He married (CQ-2) CECILY AVENAL, daughter of (CQ-1) Sir William, who died between 1 Jan. and 10 Aug. 1301^[1]. ^{[1, 2, 7, 13]}
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SIR ROBERT3 DE MUSCEGROS, b. about 1255; d. about 1320; m. (QA-20) AGNES DE FERRERS, b. before 1255, d. between 9 May 1281 and 31 Dec. 4095, daughter of (QA-13) William, 5th Earl of Derby and (AIN-10) Lady Margaret (de QUINCY).

3. SIR ROBERT³ DE MUSCEGROS (John², Robert¹), son of (2) Sir John² and (CQ-2) Cecily (AVENAL), was born between 1246 and 1262, and died between 1275 and 1372. He married (QA-20) AGNES DE FERRERS, daughter of (QA-13) William, 5th Earl of Derby and (AIN-10) Lady Margaret (de QUINCY), who was born before 1255, and died between 9 May 1281 and 31 Dec. 4095. ^{[3, 6, 8, 12]}
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HAWISE4 DE MUSCEGROS, b. on 21 Dec. 1276[10]; d. after 23 June 1340[11]; m. (1) between 2 Feb. 1298 and 31 Dec. 1300[10] (QA-21) SIR JOHN DE FERRERS, b. in Cardiff, Glamorgan, Wales, United Kingdom[10] on 20 June 1271[10], d. in Gascony, France in Aug. 1312, son of (QA-17) Robert, 6th Earl of Derby and (FR-9) Alianore (de BOHUN); m. (2) before 1315[10] (IF-1) JOHN DE BURES.

4. HAWISE⁴ DE MUSCEGROS (Robert³, John², Robert¹), daughter of (3) Sir Robert³ and (QA-20) Agnes (de FERRERS), was born on 21 Dec. 1276^[10], and died after 23 June 1340^[11]. She married (1st) between 2 Feb. 1298 and 31 Dec. 1300^[10], (QA-21) SIR JOHN DE FERRERS, son of (QA-17) Robert, 6th Earl of Derby and (FR-9) Alianore (de BOHUN), who was born on 20 June 1271^[10] in Cardiff^[10], and died in Aug. 1312 in Gascony. She married (2nd) before 1315^[10], (IF-1) JOHN DE BURES. ^{[4, 5, 6, 9, 10, 11, 12]}
Children of: Hawise⁴ de MUSCEGROS and Sir John de FERRERS: See (QA-21) Sir John de FERRERS

Child of: Hawise⁴ de MUSCEGROS and John de BURES: See (IF-1) John de BURES