John de courcys role in the castle was to protect it
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John De Courcy's downfall was when he fell down the stairs and someone said,"John De Courcy downfall the stairs.
John De Courcy was married to Affreca whose father Godfred was king of Isle of Man hope this helps to anyone who needs to no!!!!
John de Bankwell died in 1308.
John de Martelly was born in 1903.
John de Martelly died in 1979.
John de Silva died in 1922.
John de Crannach was born in 1386.
John de Bayeux died in 1249.
John de Saulles was born in 1879.
John de Pageham died in 1157.