 After returning to England in November <unk> , he fell ill early the next year , and died at Leicester Castle on 23 March . It is likely that the cause of death was the plague , which that year was making a second visitation of England . He was buried in the Church of the <unk> of Our Lady of the <unk> , Leicester , the church which he had built within the religious and charitable institution founded by his father next to Leicester Castle , and where he had re @-@ buried his father some years previously . 
