Cassandra de INSULA 
Cassandra de was born about 1190 in Harewood, Yorkshire, England. Cassandra de's father was Robert d' INSULA and her mother was Galiena le BLOUNT. She was an only child.
They had a son named Giles (Sir ) Baron de.
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Children
Giles (Sir ) Baron de ARGENTEIN
Giles (Sir ) Baron de was born in 1210 in Wymondley, Hertfordshire,England. He died at the age of 80 in 1290.