Gahadvala
The Gahadvala or Gaharwar is a Suryavanshi Kshatriya dynasty that ruled the kingdom of Kannauj for approximately a hundred years, beginning in the late eleventh century. Rajput Rathore clan being descendants of Gahadvala Dynasty.
Genealogy
KL Hazra gives the following family tree:
Rebuilding the Kannauj Kingdom
The Kannauj kingdom was established in the tenth century by Som Chand, who came from Kannuaj near Allahabad; Chand ousted the Katyuri Kings (कत्यूरी नरेश), originally from Katyur valley near Joshimath, who had ruled the area since the seventh century AD. Chand retained the name of Kurmanchal for the state, and Kurm for the people, leaving the capital in Champawat. Kurmanchal named this region Kumaon
Foundation of the Gaharwar dynasty at Kannauj
Chandradeva founded the Kannauj Gaharwar dynasty in 1090 A.D.. Chandradeva expanded the kingdom to include Varanasi (modern Benares) as a second capital. During the rule of his grandson, Govindachandra (1114-1154), the state of Gaharwar reached the pinnacle of its power, and he "raised Kanauj to unprecedented glory."