I have only found her in a note by Ed Mann, quoting Weis' Ancestral Roots.
And Dave (
xxx@aol.com) called her Ida and said she died on 1 Jun 1435 and was buried at Cockayne Hatley, Beds. (TFPL, Aug 2005) Burke’s Peerage 2003, vol I, p. 988, also calls her Ida.
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