Ansei

Background
The Ansei was renowned warriors of the Redguards. They were the most masterfull of the Sword-Singers. Makela Leki, the Author of From the Memory Stone of Makela Leki was a second-level Ansei

Order of Diagna
The most well known order of the Ansei was the Order of Diagna. This order, with the help of Jolie of Daggerfall, helped to defeat the Orsimer during the First Era Siege of Orsinium. . The leader of the Order of Diagna, Gaiden Shinji, is known to have fallen in battle during this siege.

Hiradirge
The Hiradirge was another, less well-known branch of the Ansei. They were said to be the "Masters of Stone Magic", and may have been responsible for the disaster that sparked the Ra Gada's exit from that island.

Other
Even the condescending footnotes added by "YR" in the first edition of the Pocket Guide to the Empire honour the Ansei, stating that By far the most popular gods in Hammerfell are Tall Papa, and his children: Hunding, Leki and Ansei.