Complex sentence: According to legend a thief used to steal cattle and hide in this nearby cave not as some think named after Robert the Bruce, who was said to have hid here after defeat at the hands of the English.
Split into simpler sentences: According to legend a thief used to steal cattle and hide in this nearby cave. It is not, as some think, named after Robert the Bruce, who was said to have hidden here after defeat at the hands of the English.