|Downey, Kirstin, Isabella: The Warrior Queen, Nan A||She was the daughter to his first wife , making her half-sister of Katherine of Aragon's maternal great-grandmother , daughter of to his second wife|
|Downey, Kirstin, Isabella: The Warrior Queen, p||Downey, Kirstin, Isabella: The Warrior Queen, p|
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|to remix — to adapt the work Under the following conditions:• Anthony defines Blanche's exact birth date as 6 July 1387 by virtue of contemporary sources||to share — to copy, distribute and transmit the work• Downey, Kirstin, Isabella: The Warrior Queen, p|
Anthony 1931 states that she was the fourth-born daughter of King by Queen , and she was preceded by Joan, Maria and Margaret and the two latter died early.7