Helm Hammerhand becomes King of Rohan
Event Type: Genealogical
Age: 3rd Age - The Stewards
9. Helm Hammerhand. At the end of his reign Rohan suffered great loss, by invasion and the Long Winter. Helm and his sons Haleth and Háma perished. Fréaláf, Helm's sister's son, became king.
10. Fréaláf Hildeson. In his time Saruman came to Isengard, from which the Dunlendings had been driven. The Rohirrim at first profited by his friendship in the days of dearth and weakness that followed.
The Return of the King, LoTR Appendix A, Annals of the Kings and Rulers: The House of Eorl
Elena Tiriel 8.15.04