His funeral service took place at St. George 's Chapel , Windsor Castle .
Sir Henry died at home at Barton Lodge , Winkfield , Berkshire , on 24 January 1993 aged 92 .
Henry 's funeral service took place at St. George 's Chapel , Windsor Castle .
Sir Henry died at home at Barton Lodge , Winkfield , Berkshire , on 24 January 1993 aged 92 .