Complex sentence: The school coat of arms are those of the Bishop impaling the arms of Alice Kingsmill, his wife with the Bishop pictured above with the coat of arms of the see of Durham impaling those of the Bishop at bottom right.
Split into simpler sentences: The school coat of arms are those of the Bishop impaling the arms of Alice Kingsmill, his wife with the Bishop pictured above. The coat of arms of the see of Durham impaling those of the Bishop are at bottom right.