Here are a few lines snipped from the 6/12/2015 Houston Chronicle on the story of art work portraying Habsburg royalty that is being displayed at the MFA Houston.  http://www.houstonchronicle.com/entertainment/arts-theater/article/Imperial-show-at-MFAH-has-royal-Houston-connection-6324253.php?cmpid=gsa-chron-result

Does this remind you of anything?  Please discuss:

…When pallbearers lead the casket to its final resting place in the royal crypt at Capuchin Church, they recited an ancient Habsburg ritual.
As they knocked on the crypt's door to enter, an unseen warden replied, "Who comes?"

The pallbearers responded with Zita's title.

"I do not know this person," the warden said.

They knocked again, and again the warden wanted to know who sought entry. The pallbearers repeated Zita's long name. Again, the warden refused to let them in.

Finally, after the third knock and question, came the answer that opened the door: "We come with the sinful mortal, our sister Zita."