title: Rhydderch
text: # Rhydderch
  
  Rhydderch or Riderch is a Welsh male given name being a compound of the elements "rhi" (ruler) and "derch" (exalted). Earliest mentions of the name are:
  
  * Riderch I of Alt Clut (Rhydderch Hael) (fl. 580; died c. 614)
  * Riderch II of Alt Clut (fl. early 9th century)
  * Rhydderch ap Dyfnwal (fl. 971)
  * Rhydderch ap Iestyn (died 1033)
  