From 1400 to 1404 , he carried out the duties of High Sheriff of Cornwall .
A contemporary record notes that during that year , Henry spent time at The Queen 's College , Oxford under the care of his uncle Henry Beaufort , the chancellor of the university .
From 1400 to 1404 , Henry carried out the duties of High Sheriff of Cornwall .
A contemporary record notes that during that year , Henry spent time at The Queen 's College , Oxford under the care of his uncle Henry Beaufort , the chancellor of the university .