Danish Royal House

www.kongehuset.dk

 

Norwegian Royal House

www.kongehuset.no

 

Swedish Royal House

www.royalcourt.se

 

British Royal House

www.royal.gov.uk

 

Belgian Royal House

www.monarchie.be

 

Spanish Royal House

www.casarea.es

 

Dukedom of Monaco

www.palais.mc

 

Dukedom of Luxembourg

www.monarchie.lu

 

Sønderborg Castle

www.sonderborgslot.dk

 

John the Younger

www.hansdenyngre.dk

 

German Foundation for protection of Historical Monuments

www.denkmalschutz.de

 

Locations

www.locationportal.com

 

History of King Christian IX and his descendants

www.aroyalfamily.com

 

Tourist offices and tours

www.visitals.com

 

Glücksburg (Ostsee) Online

www.gluecksburg.de

 

Museums in Schleswig-Holstein

www.schleswig-holstein.de/museen

 

Sonderburg Community

www.sonderburg.dk

 

GLC – Glücksburg Consulting Group

www.glc-group.com

 

Glücksburg (Ostsee)

www.gluecksburg-ostsee.de

 

Schleswig-Holstein Tourist Board

www.sht.de