Duke Adonai Kryze was the Mandalorian father of Satine Kryze and Bo-Katan Kryze. He was part of House Kryze, that was the royal family of the Mandalorians. A few decades prior to Clone Wars, Kalevala's House Kryze occupied a leading position among the Mandalorian clans, with Adonai Kryze, Duke of Kalevala being the leader of the Mandalorian during this time. When Bo-Katan was a child, she took the Mandalorian Creed by performing a Mandalorian initiation ritual in the Living Waters in the Mines of Mandalore, and was showered with gifts, while Adonai looked on proudly.
Around 41 BBY, escalating tensions between Mandalorian clans led to the outbreak of the Great Clan Wars. During the wars, Kryze emerged as a warlord of House Kryze and gained respect from his enemies, including Death Watch. Kryze realized through the long course of the war that constant fighting would not bring prosperity for Mandalore, and thus he sent his daughter, Satine Kryze to Galactic Republic capital of Coruscant to study diplomacy. On Mandalore, he was killed during the war while defending the planet, and was succeeded by his pacifistic daughter, Duchess Satine Kryze. Death Watch leader Pre Vizsla considered Satine unworthy to lead the Mandalorians, and so planned an alliance with Count Dooku.
According to Bo-Katan, he was a great man.