Who is Costanza, Duchess of Lancaster, Queen of Castile from Katherine and what is their importance?

Asked by bookragstutor on 25 Oct 11:30

Last updated by Jill W on 19 Apr 02:07

Answered by Jill W on 19 Apr 02:07

Costanza was Duchess of Lancaster, and John of Gaunt's wife. She later became the Queen of Castille.

Katherine