1. ROGER¹ DE LANCASTER of Nottinghamshire, England, United Kingdom was born about 1062 of Nottinghamshire, and died between 1077 and 1182. He married AUMODIS DE LA MARCHE of Nottinghamshire, who was born about 1064 of Nottinghamshire.
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AVICE2 DE LANCASTER of Nottinghamshire, b. about 1088 of Nottinghamshire; d. about 1180; m. about 1112 in La Marche, Normandy, France (Q-49) WILLIAM "THE YOUNGER" PEVEREL, [DE NOTTINGHAM] of Nottinghamshire, b. of Nottinghamshire about 1080, d. of England about 1180, son of (Q-35) William "the Elder", [de Nottingham] and Adeline (_____).

2. AVICE² DE LANCASTER (Roger¹) of Nottinghamshire, daughter of (1) Roger¹ and Aumodis (de La MARCHE) DE LANCASTER, was born about 1088 of Nottinghamshire, and died between 1149 and 1208. She married in La Marche, about 1112, (Q-49) WILLIAM "THE YOUNGER" PEVEREL, [DE NOTTINGHAM] of Nottinghamshire, son of (Q-35) William "the Elder", [de Nottingham] and Adeline (_____), who was born about 1080 of Nottinghamshire, and died about 1180 of England. ^{[1, 2]}
Child: See (Q-49) William "the Younger" PEVEREL, [de Nottingham]