Claim: Archduchess Gregoria Maximiliana of Austria 22 May 1581 – 20 September 1597) was named after her godparents, Pope Gregory XIII and Maximiliana Maria of Bavaria.
Evidence: Archduchess Gregoria Maximiliana of Austria (22 May 1581 – 20 September 1597) was a member of the House of Habsburg. Born in Graz, her godparents were Pope Gregory XIII and her maternal aunt, Maximiliana Maria of Bavaria. Named after both, Gregoria Maximiliana was described as extremely pious and had the closest relationship to her mother among her siblings.