Avicia De CLARE

Avicia De was born about 1217 in Of Plumpton, Yorkshire, England.  Avicia De's father was Gilbert de CLARE EARL OF GLOUCESTER and her mother was Isabel MARSHALL. She had three brothers and seven sisters, named Richard de, William de, Gilbert De, Joan De, Maud De, Susan De, Amica De, Isabel De, Adeliza De and Agnes De.  She was the fourth oldest of the eleven children. She had two half-brothers and a half-sister, and also a half-sibling of unknown gender, named John of, Henry of, Isabella of and Nicholas of.