Individual #House_of_Lancaster__Lancaster__Lancastrian_line  the English royal house that reigned from 1399 to 1461; its emblem was a red rose
  member:  #Lancastrian.English_person
  type:  #dynasty  a sequence of powerful leaders in the same family
  type:  #royal_family__royalfamily__royalty__royal_line__royalline__royal_house__royalhouse  royal persons collectively; "the wedding was attended by royalty"

No statement uses or specializes #House_of_Lancaster; click here to add one.