The War of the Whiten Cloaks was a brutal war during the reign of King Jahaerys II Targaryen and ending early in the reign of King Aerys II Targaryen. Named the White Bull after vanquishing Lord Kevan Dayne the Turncloak in his thirtieth year, thus ending the War of the White Cloaks.' ―The Book of Brothers details the War of the White Cloaks Fought during the War of the Ninepenny Kings. ' Ser Gerold Hightower - Knighted and admitted into the Kingsguard in his twentieth year by King Jaehaerys II.