Constantin de Mortimer & Sibyl 
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Personal Details
Constantin de Mortimer
Constantin was born in 1270 in Attleborough, Wayland, Norfolk, England. He died at the age of 89 on September 8th, 1359.
Sibyl
Sibyl was born in 1275 in Norfolk, England. She died at the age of 59 on September 11th, 1334.
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Children
Constantin de Mortimer
Constantin was born in 1300 in Attleborough, Wayland, Norfolk, England. He died at the age of 55 on December 25th, 1355.
Sir Robert de Mortimer
Sir Robert was born in 1302 in Attleborough, Wayland, Norfolk, England. He died at the age of 85 on September 25th, 1387.