Royalty refers to those who are members of a royal family, and are either the monarch or just royals.
A royal family is the immediate family of a king or queen regnant, and sometimes his or her extended family. The term imperial family appropriately describes the family of an emperor or empress, while the terms ducal family, grand ducal family or princely family are more appropriate to describe the relatives of a reigning duke, grand duke, or prince. However, in common parlance members of any family which reigns by hereditary right are often referred to as royalty or "royals". It is also customary in some circles to refer to the extended relations of a deposed monarch and his or her descendants as a royal family. A dynasty is sometimes referred to as "the House of. Examples of a dynasty is the Tudor Dynasty, Stuart Dynasty, Valois Dynasty, and Habsburg Dynasty.