21. But he had to render homage to the minor Queen regnant Christina of Sweden. 22. :: No, husband of a queen regnant is not automatically a prince. 23. King James died six days later, making the infant Mary queen regnant of Scotland. 24. The former occurred as Islam became a society's regnant religio-political framework. 25. Leopold was the fourth and last son of Queen Regnant Queen Victoria and Prince Albert. 26. Some sources mention her as empress regnant with Justinian I as her co-regent. 27. How many Byzantine empress regnants were there? 28. A record claims that Emperor KMnin attempted to make her the empress regnant but failed. 29. The latter gave parliamentary authority to a queen regnant in England for the first time. 30. She was the second of four queens regnant ( sultanahs ) to rule in succession.