1. By an unbroken line of descent
   "she is related lineally to the Royal Family"

See also: lineal

• RFD
• Rg
• Rh
• Rh antibody
• Rh factor
• Rh incompatibility
• rh-negative
• Rh-negative blood
• Rh-negative blood type
• rh-positive
• Rh-positive blood type
• rhabdom
• rhabdomancer
• rhabdomancy
• rhabdomyoma
• rhabdomyosarcoma
• rhabdosarcoma
• Rhabdoviridae
• rhabdovirus
• Rhadamanthus
• Rhaeto-Romance
• Rhaeto-Romanic
• rhagades
• Rhagoletis
• Rhagoletis pomonella