Danish Kings and Queens: 2 queens
Queen Margrete I   1387-1412  
Queen Margrethe II (a.k.a. Margrete)   1972-2024  
Norwegian Kings and Queens: 1 queen
Queen Margrete   1388-1412  
Swedish Kings and Queens: 1 queen
Queen Margareta (a.k.a. Margrete)   1389-1412