Prompt
                                        
                                            Generate a realistic portrait image of Cardinal Heenan, a British Roman Catholic bishop, dressed in his formal attire, likely standing in front of a backdrop that subtly suggests Westminster Cathedral, his place of burial and a significant landmark during his tenure as Archbishop of Westminster; incorporate elements that reflect his faith and position, such as a crucifix or a mitre, in a solemn and respectful style reminiscent of official ecclesiastical portraits.